Tag Archives: PIERRE DEROCHE

PIERRE DEROCHE Watches – Models with Technical Specifications, Price, Brand Details, History, News and Archives

Pierre Deroche Grandcliff Annual Calendar & GrandCliff Milady Annual Calendar

Pierre Deroche presents new Annual Calendar watches from its flagship Grandcliff collection.

The iconic GrandCliff collection was introduced in 2005. Now, this series welcomes new annual calendar models. Equipped with a Dubois Dépraz module, the GrandCliff Annual Calendar and GrandCliff Milady Annual Calendar boast quick date correction via the crown, and quick month correction via a corrector.

With a large 32 mm date disc, Pierre DeRoche offers a particularly generous date display, and makes readability one of the top assets of its annual calendar.

Thinner, and slightly smaller in diameter (41 mm vs. 42.5 mm), the new case of the GrandCliff annual calendar adopts the line’s aesthetic codes, its round shape, and the recognisable design of its horns, to perpetuate the perfect poise and fine elegance which have underpinned the collection’s success.

Featuring appliqué silver indices, the shaded black dial with velvety background features a generously-sized date window at 3 o’clock and a month indicator at 7 o’clock by means of a coloured red disc under the dial.

Enhanced with grey stitching, the corudra-look leather strap gives the GrandCliff Annual Calendar a final touch of the elegance of a classic and contemporary timepiece.

The GrandCliff Milady Annual Calendar watch comes with a steel case and diamond-set bezel. The finely wrought silver-plated dial bears a sunray decoration at 3 o’clock, complemented by a date window with black writing on a white background.

The month indicator at 7 o’clock uses a counter with heart-shaped cut-outs. The displays are read via a burgundy-coloured disc to match the leather strap, plus the seconds hand.

Technical details

Model: Pierre DeRoche Grandcliff Annual Calendar

Movement
Mechanical automatic, Dubois Dépraz calibre 6501, 21 jewels
Nickel silver oscillating weight on ball-bearing mechanism, cut-out and engraved

Functions
Hours, minutes, seconds.
Annual calendar with date and month indicators

Case
Steel polished and satin-finished
41 mm diameter
Anti-reflective sapphire crystal front and back
Screw-lock winding-crown with the Pierre DeRoche logo
Water-resistant to 50 m

Dial
Black shading
Appliqué indices

Strap
Black Cordudra-look leather strap with steel folding clasp

Model: Pierre DeRoche Grandcliff Milady Annual Calendar

Movement
Mechanical automatic, Dubois Dépraz calibre 6501, 21 jewels
Nickel silver oscillating weight on ball-bearing mechanism, cut-out and engraved

Functions
Hours, minutes, seconds
Annual calendar with date and month indicators

Case
Steel polished and satin-finished
Bezel set with 94 diamonds, brilliant cut VVSI (0.42 cts)
41 mm diameter
Anti-reflective sapphire crystal front and back
Screw-lock winding-crown with the Pierre DeRoche logo
Water-resistant to 50 m

Dial
Silvered, sunray pattern
Heart-shaped cut-outs month’s indicator at 7 o’clock
Appliqué indices

Strap
Burgundy Cordudra-look leather strap with steel folding clasp

Pierre DeRoche TNT Royal Retro 43 Diablo Limited Edition

Pierre DeRoche presents a new avatar of its Pierre DeRoche TNT Royal Retro watch, a sporty and technical timepiece that boasts six fascinating retrograde second hands on its dial.

Equipped with an exclusive Dubois Dépraz automatic movement, the TNT Royal Retro 43 Diablo comes in a 43 mm steel and titanium case. The bezel is made from itr2, a hypoallergenic composite based on carbon nanoparticles that is six times lighter than steel and four times lighter than titanium.

The DLC-coated black bridges contrast with the complication’s 5N gilded gear train and racks and the red hands. This new watch is fitted with a textured leather strap.

The Pierre DeRoche TNT Royal Retro 43 Diablo watch is issued in a limited edition of 101 pieces.

Technical details

Model: Pierre DeRoche TNT Royal Retro 43 Diablo

Movement
Mechanical automatic, exclusive mechanical automatic
Exclusive Dubois Dépraz calibre, 58 jewels, six retrograde second hands on gears
Hands fixed by a transverse pin

Functions
Hours, minutes and seconds (in 6 ten-second sectors with moving hand indicator)
Date

Case
Steel and titanium, black carbon itr2 bezel
43 mm diameter
Sapphire crystal with anti-reflective coating on both sides
Open back and screw-lock winding crown
Water-resistant to 100 m

Strap
Textured leather strap with deployant safety clasp

Edition
Limited edition of 101 pieces

Pierre DeRoche GrandCliff 1004 Royal Retro Limited Edition

Founded in 2004 in the heart of the Vallée de Joux, the birthplace of high-end mechanical watches, Pierre DeRoche has inherited a long watchmaking tradition. In 2009, the brand launched the first calibre incorporating six retrograde second mechanisms – Royal Retro.

In 2019, Pierre DeRoche is celebrating the 10th anniversary of the Royal Retro watch. Proposed in a limited edition of 201 pieces, the new GrandCliff 1004 Royal Retro model marks this historical milestone. 10 stands for Royal Retro’s 10th birthday and 04 for the number of versions of the revolutionary retrograde second mechanism and 1004 is altitude of the Lac de Joux.

Pierre DeRoche GrandCliff 1004 Royal Retro Limited Edition

Equipped with the iconic Pierre Deroche modular movement, this timepiece boasts a sporty 43.5mm diameter case. For the first time with a dial, the GrandCliff 1004 Royal Retro watch features a chic and sporty design that further enhances the relay of retrograde second hands. The GrandCliff 1004 Royal Retro is water-resistant to 100 metres.

Designed by Octavio Garcia, the GrandCliff 1004 Royal Retro is part of the brand’s DNA, drawing inspiration from the beating heart of the Vallée de Joux. The Pierre DeRoche signature complication has been reinvented, maintaining the highest standards of watchmaking excellence, while positioning this new design at a more accessible ‘altitude’.

Grade 5 titanium case, ceramic rotating bezel, anti-reflective sapphire crystal, sapphire back, luminous markers, Super-LumiNova®-treated black and red hands, Cordura bracelet with titanium buckle… The GrandCliff 1004 Royal Retro asserts its contemporary sporty character yet hints at an organic attachment to its origins.

Technical details

Model: Pierre DeRoche GrandCliff 1004 Royal Retro Limited Edition

Movement
Mechanical automatic, exclusive Dubois Dépraz calibre, 58 jewels
Decorative oscillating weigh, “Côtes de Genève” date platform, chamfered bridges
6 retrograde second hands on gears, strip-spring return

Functions
Hours, minutes and seconds with retrograde function in 6 ten-second sectors
Date

Dial
Black with luminous markers

Case
Grade 5 titanium with crown protectors and screw-lock crown
Ceramic rotating bezel
Diameter 43.5 mm
Anti-reflective sapphire crystal on both sides
Sapphire back
Water-resistant to 100 m

Strap
Cordura with Grade 5 titanium buckle.

Limited Edition
201 pieces

Pierre DeRoche

Pierre DeRoche is a Swiss luxury watch brand founded by Pierre Dubois (CEO) and his wife Carole Dubois (Communication and marketing) in 2004.

Nestling between lake and forest at the heart of the Joux Valley, the village of Le Lieu is an idyllic natural playground for children. Pierre thrived in this environment and loved to catch the odour of oil wafting from the family workshops. Rural and industrial civilisations have rubbed shoulders in this unique location for over two centuries, but Pierre Dubois nonetheless wished to explore other horizons. Initially a gym teacher, he later studied economics and entered the field of banking. Nonetheless, the family heritage soon caught up with him, when a prestigious watch brand from the Joux valley offered him responsibilities as Financial Director and later as Operational Director.

Back on home territory, Pierre Dubois began to feel his heart beating to the rhythm of watch hands and an old dream was reborn: that of creating his own brand. Reynold the wise old watchmaker had told him that he bore the name of a rock, so the name was an obvious choice: Pierre DeRoche. Since 2004, this name has come to symbolize invention expressed in harmony with tradition.

At the dawn of the 20th century, somewhere at the heart of the Vallée de Joux, Marcel Dépraz 1 was busy at his work bench. A born inventor, the watchmaker could never be content with merely seeing a watch running; instead, he tirelessly pursued his goal of improving the reliability of timepieces. This quest for perfection led him to create his own movement company in 1901, which later became Dubois Dépraz. In due course, he handed over the reins to his son-in-law Reynold Dubois, who in turn passed them on to his own son Gérald, father of Pierre. Today, the two great grandsons of the founder, Jean-Philippe and Pascal Dubois, are at the helm of the firm.

Respect for a proud heritage, combined with the boldness to reach beyond it, might well be the motto of the Dubois family. In launching his own watch brand with his wife Carole, Pierre Dubois was no exception to the rule. He took up a truly daunting challenge to establish a new name in high-end watchmaking. Nonetheless, this approach also corresponded to an immutable rule, which holds that tradition only retains its vitality if it is constantly cultivated and reinvented in a pioneering spirit.

A designer and manufacturer of unique movements, Pierre DeRoche cultivates rarity. Mechanical jewels of this kind require infinite patience with each detail, no matter how tiny, receiving meticulous attention. And this does not include the long months of research and testing, nor the interminable nights when everything goes back to square one in order to attain the level of perfection to which Pierre Dubois, the brand’s CEO, aspires. As this modus operandi is respected at all times and as Pierre DeRoche does not design watches so much as living timepieces injected with their creator’s soul, only a few hundred watches leave the brand’s workshops each year, a philosophy diametrically opposed to the practice of industrial principles.

Pierre DeRoche celebrated its 10th anniversary in 2014.

One Family, Four Generations
For four generations, the family of Pierre Dubois, founder and CEO of Pierre DeRoche, has passionately cultivated the science of calculating time, a savoir-faire initiated in 1901 by his great-grandfather Marcel Dépraz, founder of Dubois Dépraz. He was succeeded by Reynold his son-in-law, Gérald his grandson, then his great grandchildren Jean-Philippe and Pascal, Pierre Dubois’ brothers. A heritage transmitted and developed from generation to generation, and marked by over fifty patents registered in 100 years.

First Generation – MarCel Dépraz (1874-1946)
Marcel Dépraz, the family’s great grandfather, was extremely talented. He had already shown his innate gift for making watch complications by the time he became a shop foreman at the age of 25. With considerable courage and ingenuity, he founded what has become Dubois Dépraz, a specialist in the manufacture and assembling of all kinds of movements. Teeming with ideas and highly inventive, he kept track of all his ideas in his little notebook. Among his best pieces were repeater watches and chronographs. A pragmatic man, he stopped doing “dummy assemblage” in 1907 and went directly to manufacturing chronographs in series.

Second Generation – Reynold Dubois (1901-1977), Son-in-law of MarCel Dépraz
With a watch diploma in his pocket and several years of experience in Switzerland and abroad behind him, Reynold Dubois returned to Le Lieu in 1937 to assist his father-in-law in manufacturing and assembling watches, a position he held until his retirement in 1975. A keen musician, he had a gift for making watch complications and excelled at the violoncello as well as a whole host of other instruments. It was under his baton that the factory expanded and was conducted along more productive and rational lines.

Third Generation – Gerald Dubois (1928 – )
In 1956, Gérald Dubois, Reynold’s son, developed the first automatic chronograph. Thanks to his expertise, he marked out a new path in complicated and sophisticated movements of all sorts. These products, continually re-worked and protected by patents, gave the watch sector a new impetus. Now retired and head of the family, he can devote himself fully to his children and grandchildren. Nor has he forgotten his native village of Le Lieu, where he is still very involved in several local clubs. However, with three children working in the watch industry, this world is never far away. Indeed, many of the ideas and projects at Pierre DeRoche have had their genesis in lively discussions between father and sons.

Fourth Generation – Jean-Philippe, Pascal and Pierre Dubois
More than a brand, Pierre DeRoche is all about a family spirit that of the Dubois and the Dépraz families, living since the 1500’s in Le Lieu, a small village in the Joux Valley, in the heart of Switzerland’s watchmaking region. Today, it is through the Pierre DeRoche brand that Pierre Dubois and his two brothers Jean-Philippe and Pascal explore the boldest ideas and create technically sophisticated and exclusive timepieces, following in their predecessors’ footsteps.

Pierre and Carole, Founders of Pierre DerRoche watch brand
Constantly drawing upon their roots while relying on cutting-edge technical expertise, Pierre and Carole Dubois daily strive to develop Pierre DeRoche. He is by nature passionately dedicated, altruistic and protective, while she is determined, vivacious and well organised. Partners in life and in business, they enjoy perfect chemistry, and it is as a team that they are definitively establishing the brand identity and setting their signature on their horological masterpieces.

While watchmaking is in Pierre’s blood, Carole caught the virus at a later stage. An immersion in the world of the Dubois family and a naturally entrepreneurial spirit drew this strong-minded woman into the watchmaking field. She breathes a sense of femininity and enthusiasm into the brand.

Innovations
Mechanics has always been in the genes of the Dubois family. In 1901, Marcel Dépraz founded his company, now Dubois Dépraz, which was subsequently headed by his son-in-law Reynold, his grandson Gérald, and now his great-grandsons Pascal and Jean-Philippe Dubois. Their brother Pierre founded his PIERRE DEROCHE brand in 2004. Together, all three regularly develop new mechanisms, thereby perpetuating a family heritage punctuated by the registration of around 50 patents in a century. All of them represent major breakthroughs in the field of horological complications, as is confirmed by the movements presented here.

Quarter repeater (1925) – The snail – the strike control element in repeater mechanisms and a speciality of Marcel Dépraz in his early days – used to be cut out by hand. In tribute to the origins of the family company, this four-pointed star in the centre of the mechanism now appears in the PIERRE DEROCHE logo.

Chronograph 13 3/4, Calibre 48 (1937) – Marcel Dépraz sparked a mini-revolution in the chronograph field by replacing the classic column wheel by a cam system that is less complex and thus less expensive to implement. This mechanism, steadily improved by Reynold and Gérald Dubois, was produced until 1970 in a total run of more than 3.5 million.

Chronograph Calibre 74 (1948) – A high-end column-wheel chronograph movement designed by Reynold Dubois, Calibre 74 symbolises the dynamism and creativity of the Swiss watch industry in the postwar period. Equipped with an original pusher and bolt activation device, it is distinguished by an instant date calendar – a rare feature in an era when the date transition generally took almost an hour.

Chronomatic Calibre 12 (1969) – Chronomatic Calibre 12 developed by Gérald Dubois was the first chronograph mechanism to be fitted on a self-winding movement. Another novel feature lies in its modular design that facilitates its insertion as well as testing and dismantling. 350,000 examples of this world-first innovation were produced for the most prestigious brands.

Chronograph 2000 (1983) – Gérald Dubois gave a new boost to the mechanical chronograph with this calibre that can be fitted on either quartz or mechanical self-winding watches by means of a special clutch. This module mounted on the dial side enables direct display of all the hands and requires no corrections or adjustments once assembled with the movement.

Concentric Chronograph (2003) – The world’s only chronograph displaying the seconds, minutes and hours on a single counter, the concentric chronograph was developed by Pierre Dubois and his brothers Jean-Philippe and Pascal. The driving force behind the SplitRock Collection by PIERRE DEROCHE, this movement enables fast and intuitive read-off of the measured times.

TNT Royal Retro (2009) – The first calibre able to house six retrograde seconds mechanisms, this complication testifies to an entirely original approach: the six retrograde hands are driven by gears instead of cams; and they are returned to the original position by a strip-spring rather than a classic balance-spring system.

Watch Collections
TNT: These dial less timekeepers reveal the virtuosity of the Joux Valley watchmakers: bridges, gear-trains and rotors form the power centre of these watches with their nerves of steel.

Grand Cliff: Retrograde functions, flyback chronograph, annual calendar, large date, power reserve, GMT, countdown: the GrandCliff Collection reveals a wealth of perfectly mastered complications in harmony with the traditions of the Joux Valley master-watchmakers. The GrandCliff variations are the epitome of contemporary watchmaking and feature cases distinguished by their complex architecture, along with innovative dial displays.

Split rock: A unique chronograph displaying seconds, minutes and hours in one single counter, the SplitRock offers a rapid and intuitive reading of the measured times. A strong rectangular case, finely worked dials and noble materials are the hallmarks of this collection.

Shiny pebbles: In its ladies’ collection, Pierre Deroche captures nature’s magic in meticulously worked settings. Shimmering colours, sparkling reflections and refined elegance come together on the wrists of women seeking the ultimate in perfection.

Contact details
Pierre DeRoche SA
Le Revers 1
CH–1345 Le Lieu
Switzerland
Website: http://www.pierrederoche.com

Pierre DeRoche TNT GMT Power-Reserve 43 Limited Edition

Pierre DeRoche welcomes a new GMT version into the TNT collection. Dedicated to world travelers, this new model boasts GMT display combined with a power-reserve indicator. The iconic bodywork – a titanium and steel case – of this new 43 mm TNT model takes on board a deliberately classical touch by adopting an opaque dial – a first for TNT.

The particularly legible 24-hour dual-time display accentuates its sporting spirit through an original offset composition aligned with the power-reserve. This remarkably stylish new TNT carries only one pusher, since all the GMT operations are handled via the crown.

It is available in two exclusive versions: one with a titanium and steel case framing an anthracite black dial, and the other with a black DLC-treated case and sand-toned dial and strap.

Technical details

Model: Pierre DeRoche TNT GMT Power-Reserve 43 Limited Edition

Movement
Mechanical automatic, exclusive Dubois Dépraz calibre, 21 jewels
Decorated and engraved rotor, Power reserve of 42-hour

Functions
Hours, minutes, seconds, date, dual-time display (GMT 24 hours), power-reserve indicator

Case
Black PVD-coated titanium container
Steel bezel, lugs, crown guard and screw-lock crown, 43 mm diameter
Sapphire crystal with anti-reflective coating on both sides
Sapphire back
Water-resistant to 100 meters

Dial
Anthracite black
Uniform velvet-finish centre, satin-brushed exterior
Snailed counters. Applied hour-markers coated with SuperLumiNova®

Strap
Rubber with safety folding clasp

Limited edition 201 pieces

Other version
Limited series of 201 pieces with black DLC-coated case, sand toned dial and strap

Pierre DeRoche TNT Royal Retro Skull Limited Edition

The inherently rebellious, unique and technical TNT Royal Retro Skull reflects the highly contemporary trend for personalisation, while preserving all the original qualities of its Royal Retro movement.

The world’s only calibre capable of housing six retrograde seconds mechanisms stages a fascinating ballet of six hands dancing across ten-second periods that instantly draws the gaze and positions this timepiece firmly in the category of “showtime” complications. In the notable absence of a dial, its broad and eminently visible central bridge provides unlimited space for brand aficionados to make their individual model even more exclusive and personal.

On this first limited-edition interpretation, the hexagonal central going train bridge is adorned with a skull motif that has become a classic theme in contemporary watchmaking.

A distinctive laser-engraving technique creates a striking play on light and shade exploring the many nuances of grey. Contrasting shades outline the shape of the skull using the “light trapping” method, offering a fascinating means of marrying metal with this promising form of expertise.

The excellence of Dubois Dépraz, a renowned Manufacture of complicated movements, powers the beating heart of the TNT Royal Retro. This sporty timepiece displays the hours and minutes, seconds with retrograde function appearing on six 10-second sectors, moving retrograde hand indicator and a date window.

Its 47.5 mm-diameter case is made of steel and black PVD-coated titanium, set in this version with 240 brilliant-cut totalling approx. 1.10 cts.

Technical details

Model: Pierre DeRoche TNT Royal Retro Skull Limited Edition

Movement
Mechanical automatic, exclusive Dubois Dépraz calibre, 58 jewels. Decorated and engraved oscillating weight. Central bridge, 6 chamfered and satin-finished seconds bridges. Minute wheel with Pierre DeRoche logo. Hands affixed by a transversal pin. 6 gear-driven retrograde seconds hands with strip-spring return.  The black zones of the skull-shaped central bridge are formed using the “light trapping” method, which consists in laser-engraving a motif by creating an engraving background featuring an irregular topography that prevents light from penetrating its surface.

Functions
Hours, minutes, retrograde seconds in six 10-second sections. Moving retrograde hand indicator. Date.

Case
Titanium middle with black PVD treatment, 47.5 mm. Bezel set with 240 brilliant-cut diamonds totalling approx. 1.10 cts (128 measuring 0.8 in diameter and 112 measuring 1.1 in diameter), lugs, crown-guard and screw-lock crown in steel. Sapphire crystal with anti-reflective coating on both sides. Sapphire back. Water-resistant to 100 metres (10 bar/330 ft).

Bracelet
Alligator leather with safety folding clasp.

Edition
Limited edition of 5 watches

Pierre DeRoche GrandCliff Pure Nacre

Swiss luxury watch brand Pierre DeRoche has composed an anthem to pure, uncluttered lines with its new GrandCliff Pure Nacre. Destined to establish itself as an ageless feminine classic, the timepiece embodies a vision of watchmaking pared down to essentials, retaining only complications that are useful in daily life.

The understated date and power-reserve indicator are beautifully highlighted against the backdrop of a natural blue-tinted natural mother-of-pearl dial – framed by a round and slender case graced by clean, sleek lines.

At its heart beats an automatic movement, offering a fine example of what can happen when mechanical horology meets exquisite femininity to mark off a time that will transcend the passing years.

Technical details

Model: Pierre DeRoche GrandCliff Pure Nacre

Movement
Mechanical automatic, 21 jewels
Decorated and engraved rotor

Functions
Hours, minutes, seconds, date and power reserve indicator (42 hours)

Case
Steel
Anti-reflective sapphire crystal, front and back
40 mm diameter

Dial
Mother-of-pearl, 4 Roman numerals
Power-reserve indicator at 7 o’clock
Date window at 3 o’clock

Strap
Alligator with safety folding clasp

Other version
Bezel set with 60 diamonds (0.91 cts)

Pierre DeRoche TNT Royal Retro 43 Bonnie & Clyde

Swiss luxury watch brand Pierre DeRoche unveils limited edition Bonnie & Clyde versions of its TNT Royal Retro 43 timepiece.

Produced in limited editions of 101 pieces per version, these new additions – Bonnie & Clyde – boasts the spectacular features of the TNT Royal model.

With its perfectly choreographed dance of six retrograde hands, the TNT Royal is an endless source of fascination. Not content with staging a complication that is unique in the world, it now explores the field of futuristic materials by introducing a bezel in itr²®.

Pierre DeRoche TNT Royal Retro 43 Bonnie

This totally hypoallergenic composite material is six times lighter than steel and four times lighter than titanium. Created from carbon nanotubes, itr²® is transparent. Once charged with ceramic or carbon particles, it turns white or black as desired.

Over and above its excellent technical performances, itr²® provides a unique visual effect, echoed by the six seconds bridges and the central bridge alternately draped in sparkling white by means of a stabilised silver coating, or in black.

Pierre DeRoche TNT Royal Retro 43 Clyde

The TNT Royal Retro 43 Bonnie model features a bezel in itr²® white ceramic with black engraved numerals where as the TNT Royal Retro 43 Clyde model has itr²® black carbon bezel with white engraved numerals.

Technical details

Model: Pierre DeRoche TNT Royal Retro 43 Bonnie & Clyde

Movement
Mechanical automatic, exclusive Dubois Dépraz calibre, 58 jewels
Decorated and engraved rotor
Central bridge and 6 chamfered, satin-finished seconds bridges white or black galvanic bath treatment
Minute-wheel with Pierre DeRoche logo
Hand affixed by a transversal pin. 6 retrograde seconds hands on gears, strip-spring return

Functions
Hours, minutes, seconds with retrograde function in six 10-second sectors
Moving retrograde hand indicator
Date

Case
Black PVD-coated titanium middle
Bezel in itr²® white ceramic with black engraved numerals (Bonnie model) or itr²® black carbon with white engraved numerals (Clyde model)
Steel lugs, crown guard and screw-down crown, 43 mm diameter
Sapphire crystal with anti-reflective coating on both sides, sapphire back
Water-resistant to 100 metres

Strap
Alligator with safety folding clasp

Edition
Limited Edition: 2 x 101 pieces

Pierre DeRoche TNT Royal Retro GMT ½ Hour

Swiss luxury watch maker Pierre DeRoche announces a new addition to its popular TNT Royal Retro line. The new TNT Royal Retro model is equipped with a GMT display adjustable to the nearest half hour not via a corrector, but instead using the crown.

To avoid any loss of precision during adjustments, the GMT hours and minutes hands advance in 30-minute increments to guarantee exact half hours, without the movement stopping. A third indicator appears on the white part of the subdial if it is daytime in the zone of the second time zone; or in the black section if it is night-time.

Meanwhile, the TNT Royal Retro signature retrograde seconds hands pursue their fascinating path. To spice up the overall effect, two of the six original hands vanish in the lower section of the dial to provide space for the GMT indicator.

The Pierre DeRoche TNT Royal Retro GMT ½ Hour watch is available in a 201-piece limited series.

Technical details

Model: Pierre DeRoche TNT Royal Retro GMT ½ Hour

Movement
Mechanical automatic exclusive Dubois Dépraz calibre, 48 jewels
Decorated and engraved oscillating weight
Chamfered and satin-finish four retrograde seconds bridges and central bridge
Hand-fitting affixed by a transversal pin
4retrograde seconds hands on gears, strip-spring return

Functions
Hours, minutes seconds with retrograde function in four 10-second sectors
Moving retrograde hand indicator
Date and GMT adjustable in half-hour increments

Case
Titanium container with black PVD treatment, 47.5 mm
Steel bezel, lugs, crown guard and crown
Sapphire crystal front and back with anti-reflective treatment on both sides
Water-resistant to 100 metres (10 bar / 330 ft)

Strap
Alligator leather

PIERRE DEROCHE REYNOLD

On the occasion of its 10th anniversary, Pierre Deroche presents REYNOLD, an exceptional pocket complication watch as a tribute to Reynold Dubois.

Crafted in 18 ct gold, this grand complication watch houses a vintage LeCoultre hand-wound movement  dated circa 1920, and offers functions such as hour, quarter and minute repeater, chronograph with 30-minute counter and perpetual calendar and moon phases.

Reynold Dubois, Pierre’s grandfather was a talented watchmaker who was attracted into the world of horology in a young age and completed the training under the great Jacques-David LeCoultre.

Thanks to his exceptional talent and abilities, Reynold became the head the workshops of the manufacture in le Sentier, before being assigned to Milan, then Paris.

Two generations later, his grandson founded the Pierre Deroche watch manufacture and it is celebrating its 10th anniversary in 2014.

A few years ago, Pierre came across a treasure while browsing at an antique dealer’s: some LeCoultre ébauches and movements made in the late 19th and early 20th century, including a grande complication from around 1920. Pierre bought the entire batch and made these exceptional movements his own.

Soberly titled Reynold, this grande complication is a vibrant homage to his grandfather and a very personal way to mark these first ten years for Pierre Deroche.

Technical details

Model: PIERRE DEROCHE REYNOLD

Movement
LeCoultre 21 lines, dated circa 1920, hand-wound by the crown

Functions
Hour, quarter and minute repeater
Chronograph with 30-minute counter
Perpetual calendar and moon phases

Case
Lépine with double back and 18kgold chain
Winding crown set with emerald dial enamel, 2 emeralds at 6 and 12 o’clock

Limited edition
One only

Pierre DeRoche TNT Royal Retro 43

Swiss luxury watchmaker Pierre DeRoche has announced a slimmer version of their iconic TNT Royal Retro timepiece.

Introduced in 2009, the Royal Retro movement became the essence of Pierre DeRoche. As 2014 marks the tenth anniversary of the manufacture, the brand is returning to its roots by reviving its iconic line, which completed 5 years since its launch.

The new TNT Royal Retro comes in a 43mm case and is equipped with an exclusive Dubois Dépraz automatic movement.

This timepiece will be produced in a limited edition of 201 pieces and an additional 10-piece limited series will be launched commemorating the brand’s 10th anniversary.

Technical details

Model: Pierre DeRoche TNT Royal Retro 43

Movement
Mechanical automatic, exclusive Dubois Dépraz calibre, 58 jewels, decorated and engraved oscillating weight, central bridge, 6 chamfered and satin-finished seconds bridges, minute wheel with Pierre DeRoche logo, hand suffixed by a transversal pin, 6 gear-driven retrograde seconds hands with strip-spring return

Functions
Hours, minutes, retrograde seconds in 6 ten-second sections, moving retrograde hand indicator, and date

Case
Titanium middle with black PVD treatment, 43 mm
Bezel, lugs, crown-guard and screw-lock crown in steel
Sapphire crystal with anti-reflective coating on both sides
Sapphire back
Water-resistant to 100 metres (10 bar / 330 ft)

Strap
Alligator with safety folding clasp

Other versions
201-piece limited series
10-piece limited series commemorating the brand’s 10th anniversary.
Engraved “10” and red top-stitching on the strap

Pierre DeRoche GrandCliff Pure

Swiss luxury watch brand Pierre DeRoche expands its popular GrandCliff collection with an extremely restrained timepiece. Its lines are as understated as its black or white dial, adorned with baton hour-markers, Arabic numerals or Roman. Smaller and slimmer than the brand’s other creations, the GrandCliff Pure is clearly designed to exercise a universal appeal.

Its functional assets include indications of the hours, minutes, seconds, date and power reserve, all driven by an excellent mechanical automatic movement.

While this timepiece is more pared down than the other GrandCliff variations, it nonetheless retains the distinctive identity codes of the brand from the Vallée de Joux, including the signature lugs.

Technical details

Model: Pierre DeRoche GrandCliff Pure

Movement
Mechanical automatic, 21 jewels, decorated and engraved oscillating weight
Power reserve at 7 o’clock
Date window at 3 o’clock.

Functions
Hours, minutes, seconds, date and power reserve

Case, dial & strap
Steel, 40 mm
Anti-reflective sapphire crystal, front and back
Dial: Black or white
Hour-markers, Arabic numerals or Roman
Strap: Alligator leather with steel safety folding clasp

Pierre DeRoche TNT Royal Retro Power Reserve

Swiss luxury watch brand Pierre DeRoche offers a new interpretation of its iconic TNT Royal Retro model enriched with a power reserve. The spectacular complication thus makes way during a full 20 seconds for the elegant mechanism of the new function positioned at 6 o’clock.

The four remaining retrograde seconds mechanisms are nonetheless enough to give this timepiece unique character and to display the avant-garde talent of the watchmaker from the Vallée de Joux.

Loyal to the TNT spirit, the movement, and notably the four power-reserve wheels are entirely visible and magnificently decorated.

Technical details

Model: Pierre DeRoche TNT Royal Retro Power Reserve

Movement
Mechanical automatic, exclusive Dubois Dépraz calibre, 50 jewels, decorated and engraved oscillating weight, central bridge and 4 chamfered and satin-finished seconds bridges, moving retrograde hand indicators, hand affixed by a transversal pin, 4 retrograde seconds hands on gears, strip-spring return.

Functions
Hours, minutes, seconds with retrograde function on four 10-second sectors, date and power reserve.

Case
Black PVD-coated titanium middle, 47.5 mm
Bezel, lugs, crown guard and crown in steel
Anti-reflective sapphire crystal, front and back
Water-resistant to 100 m (10 ATM/330 ft)

Strap
Alligator with steel safety folding clasp

Pierre DeRoche TNT Royal Retro Sapphire

In 2009, Swiss luxury watch brand Pierre DeRoche introduced a world first with the launch of the TNT Royal Retro and its six retrograde seconds mechanisms. This watch made a significant impact, and three years later, the brand announces a make over model: TNT Royal Retro Sapphire featuring seven visible sapphire bridges.

The now entirely transparent movement unveils yet more of its mysteries, further revealing the originality of its spectacular complication.

The association of sapphire and titanium, two extraordinarily hard materials, gives a whole new expression to the TNT Royal Retro Sapphire. This sleek, masculine and sporty timepiece will be available in an 11-piece limited edition.

Technical details

Model: Pierre DeRoche TNT Royal Retro Sapphire

Visible movement
Automatic, exclusive Dubois Dépraz calibre
58 jewels
22K pink gold decorated and engraved oscillating weight.
Central bridge with 12 pivots and 6 sapphire seconds bridges.
6 retrograde seconds hands on gears, strip-springs return.

Case
Container in black PVD-coated titanium
Steel bezel, horns, crown-shield and crown in 18K pink gold, 47.5 mm.

Functions
Hours, minutes, seconds with retrograde function displayed on 6 segments of 10 seconds each, date.

Strap
Alligator with 18K pink gold and titanium safety folding clasp.

Limited edition
Series of 11 watches

Pierre DeRoche GrandCliff Milady Royal Retro

This year, Swiss watch brand Pierre DeRoche dedicates a superb feminine interpretation of the Calibre Royal Retro to women who love fine mechanical watches.

With its display of six retrograde seconds hands, the movement is unique in its genre. These hands, on the visible movement, take over from each other for ten seconds, creating a fascinating mechanical ballet and making each minute seem like a moment of eternity.

This magnificent complication is enhanced by the finishing, which is designed by a woman for women and gives this timepiece a poetic and floral touch. The elegantly-shaped bridges are adorned with delicate motifs, highlighted by a subtle setting of jewels. The bezel, also set with jewels, adds a touch of sublimity to this harmoniously designed piece.

Technical details

Model: Pierre DeRoche GrandCliff Milady Royal Retro

Movement
– Automatic, exclusive Dubois Dépraz calibre, 58 jewels.
– Decorated and engraved rotor.
– 12-pivot central bridge and 6 chamfered, engraved and diamond-set seconds bridges.
– Mobile retrograde hand indicator.
– Minute wheel with Pierre DeRoche logo.
– Hour hand held by a transversal pin.
– 6 retrograde seconds hands driven by gears; return to initial positions with strip-springs.
– Date window at 6 o’clock.

Functions
Hours, minutes, retrograde seconds in 6 ten-second sectors, date.

Case
316L steel, set with 64 diamonds (1.28 cts), screw-down crown, double-sealed push-pieces, 42.5 mm. Anti-reflective glass and sapphire back.
Water-resistant to 100 m.

Strap
Alligator with folding clasp.

Pierre DeRoche RendezVous Limited Edition

Swiss luxury watch brand Pierre DeRoche combines the most advanced mechanical watchmaking with subtle musical poetry in its latest creation, the RendezVous, which displays a double gong under the sapphire crystal.

Coupled with the striking-mechanism’s on/off function, this device is unique on this kind of watch and gives this exceptional timepiece its intrinsic value.

When the alarm is released, the mechanism reveals its secrets: first, the fast-and-slow, then the striking mechanism’s bridge moving into action, and finally the hammers successively striking the two “Chartres” chimes (cathedral inspired, the two gongs turn more than 360° but are of different lengths).

With a few clear, limpid notes produced by the best watch craftsmen from the Joux Valley, the RendezVous will remind you of your day’s appointments.

The Pierre DeRoche RendezVous watch is limited to 201 pieces.

Technical details

Model: Pierre DeRoche RendezVous Limited Edition

Movement
Automatic, exclusive Dubois Dépraz calibre, 32 jewels, decorated and engraved circular (360°) rotor, sunray-pattern bridges

Functions
Hours, minutes, seconds, date, day/night indicator, RendezVous function with 2-gong striking mechanism, winding and On/Off indicators.

Case
Black PVD titanium container; screw-down crown, bezel and horns crown guard and pushpieces all in steel, 45.5 mm.
Double-sided anti-reflective sapphire crystal and sapphire back.
Water-resistant to 100 m.

Strap
Alligator with folding clasp.

Other version
Limited series of 21 pieces in pink gold (18K), steel and titanium

Pierre DeRoche GrandCliff Milady

The the GrandCliff Milady from Swiss luxury watch brand Pierre DeRoche will captivate the sort of woman who is not content to wear a simple fashion accessory on her wrist. For mechanical excellence there is an exclusive Dubois Dépraz chronograph movement, and for style, a composition in white and blue.

Set off by a bezel that can either be plain or diamond-set, the four sapphires on the dial match the hands and the highly original small seconds at 3 o’clock.

With a touch of haute couture on the cross-stitched strap or a touch of glamour with the unusual cross-laced strap, the Milady radiates sensuality.

Technical details

Model: Pierre DeRoche GrandCliff Milady

Movement
Automatic, exclusive Dubois Dépraz calibre, decorated and engraved rotor

Functions
Hours, minutes, seconds, large date, chronograph with 60-minute counter

Case
Polished and satin-finished 316L steel, 42.5 mm
Bezel plain or set with 64 diamonds (1.28 cts)
Screw-down crown and double-sealed pushpieces
Anti-reflective sapphire crystal and sapphire crystal back
Water-resistant to 100 m

Dial
Silvered, sunray pattern
4 sapphires
Blued hands

Strap
Crocodile with steel folding clasp

Pierre deRoche GrandCliff TNT BelCanto

Representing far more than just a tribute to the great Vallée de Joux watchmakers of the past centuries, the GrandCliff TNT BelCanto forms a bridge between the 19th century hand-crafted fine watchmaking and the 21st century technologies.

PIERRE DEROCHE thus naturally wanted to treat these movements to a highly technical case and dial entirely in tune with contemporary watchmaking.

Pierre deRoche GrandCliff TNT BelCanto

In 2007, Pierre Dubois, Managing Director of PIERRE DEROCHE, while hunting through the treasures harboured by an antique dealer friend of his, discovered some 19th century pocket-watch movement blanks with hour & quarter repeater and chronograph. As a worthy heir to four generations of brilliant watchmakers, his curiosity was naturally aroused by this discovery, and he decided to buy them.

He showed them to his father, Gérald Dubois, a retired watchmaker still passionately dedicated to his art, and the latter naturally set about examining them in order to find their origin. Right from the start, Gérald Dubois was convinced they were LeCoultre movements, despite the lack of formal proof. Building on his certainty, he undertook a systematic comparison of one of these movements with the certified LeCoultre pocket-watches in his personal collection. The similarities were striking, but the precious “maker’s mark” could not be found.

Gérald Dubois then took an interest in the 8172 patent number engraved on the mainplate. His research led to a decisive breakthrough when he consulted the Swiss federal registers which show a patent for a “New watch with pendant winding” dated May 5th 1894 and granted by the Swiss Federal Institute of Intellectual Property to Numa Robert-Waelti, a watchmaker in La Chaux-de-Fonds.

Gérald and Pierre Dubois then began retracing the history of this watchmaker. They consulted Daniel Aubert, a watchmaking historian based in the Vallée de Joux. They also sought advice from Mr Piguet, curator of the Watchmaking Museum in La Chaux-de-Fonds. Nobody knew anything of Numa Robert-Waelti.

Gérald Dubois went back to work and outlined the possible history of these movements:-

  • LeCoultre produced the movements in the late 19th century and delivered them to établisseurs, watch manufacturers who assembled the various parts of a watch.
  • While these établisseurs were generally well-known brands, this was not the case for Numa Robert-Waelti. It is thus probable that the latter bought up LeCoultre movements, made certain modifications – such as the one bearing patent number 8172 – and then sold them to établisseurs.
  • These over 100 year-old movements have probably changed hands several times before an antique dealer found them and in turn sold them to PIERRE DEROCHE.

This scenario seemed plausible, and kind of came full circle. But there was still no proof that these movements did indeed come from the workshops of the Manufacture in Le Sentier…

The “LeCoultre & Co” maker’s mark finally shows up: It was not until Gérald Dubois began taking the movements apart that the precious token of origin finally appeared. Engraved beneath the barrel bridge, and totally invisible on the assembled movement, was the “LeCoultre & Co” maker’s mark.

Movement characteristics
– 19 lignes, manual winding
– Analogue display of the hours and minutes
– Hour and quarter repeater
– Single-pusher chronograph (with no minute counter)
– Time-setting pusher.

These movements were made around the late 19th century in Le Sentier and vividly illustrate the expertise of the watchmakers of that era in the field of complicated watches. The movement is typical of that period. The frequency of the balance is 2.5 Hertz, meaning 18,000 vibrations per hour.

Winding is done by a winding-crown placed at 3 o’clock on the case. The winding stem has just one position, which serves for both winding and time-setting. The latter function is activated by a pusher at 4 o’clock that directly cooperates with the time organs on the watch. Releasing the pusher returns the watch to the normal winding situation.

Hour and quarter repeater mechanism: a classic two-gong striking system: The dedicated slide at 9 o’clock activates the hour and quarter repetition. The hour hammer first strikes the hardened steel low-pitched gong to indicate the elapsed hours. Then the smaller quarter hammer and the hour hammer alternately strike the high-pitched and low-pitched gongs to indicate the quarter-hours. A watchmaker sets exactly the right tone by hand.

The column-wheel chronograph: The chronograph mechanism integrated within the movement features a classic style with a single pusher located at 2 o’clock. It is the “column-wheel” kind. The column-wheel is the distributing organ in a chronograph mechanism. This particular one is a 4/12 type, meaning 4 columns and 12 ratchet teeth, resulting in a ratio of three that means the chronograph is referred to as three-function chronograph with a single start, stop and reset pusher. The sequence of functions cannot be modified in this type of chronograph.

From a 19th century movement to the modern BelCanto: While Pierre Dubois wished to give a new lease on life to these historical movements by fitting them in wristwatches, he was nonetheless determined to maintain the original components, bearing witness to the proud watchmaking heritage of the Vallée de Joux. These “movement blanks” were thus restored, entirely decorated and then reassembled by the Dubois Dépraz master-watchmakers without any technical modifications, apart from the striking gongs and the regulating organs, which are contemporary.

An historical movement decorated by modern-day watchmakers: The expert Dubois Dépraz craftsmen meticulously decorated these three historical movements that now feature a circular-grained mainplate, bridges adorned with “Côtes de Genève”, a sunburst barrel, chamfered and hand circular satin-brushed wheels. The hour and minute wheels are openworked, as is the lower balance bridge, thus revealing the seconds wheel.

Metallization
The high-tech sapphire crystal dial of the BelCanto enables one to admire the movement through the front of the watch. First cut-out and drilled for the hands to pass through, the circular plate of synthetic sapphire – crystallised aluminium oxide that is almost as hard as diamond – is partially sandblasted, involving compressed-air projection of extremely hard particles to create a matt appearance.

On the movement side, the sapphire plate is chrome-plated using PVD technology. A second PVD metallization is then performed to create the smoked areas.The black dial zones on the hand side of the dial are also created using this metallization technique. PVD plating involves physical (rather than chemical) vacuum deposition of metal particles. The particles thus applied are chrome, or titanium for the smoked zones. Black metallization is achieved by a coating of titanium-based particles of a different composition.

Laser engraving
Once the sapphire plate has been thus “prepared”, the non voluminous letters, numerals and hour-markers can be laser engraved. This type of engraving consists of attacking the sapphire surface with a laser beam and thus forming the letters, numerals and motifs. A varnish – white or red in this case – will then be placed in the hollow of these inscriptions so as to make them well readable.

Creating the voluminous hour-markers by galvanic growth
A “photoresist” varnish sensible to ultraviolet right is applied like a “mask” over the sapphire plate. The dial zones that are already decorated are safeguarded by exposing them to ultraviolet light, which makes the varnish resistant to the ensuing galvanic bath. The hour-marker zone is protected from the light, which means the varnish will then dissolve and mark out the area where the hour-markers will grow.

The dial is then immersed into a nickel galvanic bath. An electrolytic process coats the non-masked area of the sapphire plate with a 0.2 mm thick layer of nickel. The hour-markers are then polished and coated with a thin layer of gold by means of a second galvanic bath.

A highly contemporary rose gold case
The back and the upper bezel of the imposing 55.5 mm case are fitted with two sapphire crystals. The case middle serves to bear the repeater slide and also guarantees water resistance to 3 atmospheres. The case middle also comprises an extremely precise chronograph shunt function that ensures its user-friendliness.

The case is crafted in 750 (18-carat) rose gold, meaning an alloy composed of 75% pure gold, around 20% copper and around 5% silver.

A resonance instrument to magnify the sound of the BelCanto

A luthier known for his magnificent guitars was entrusted with creating a resonance instrument. Based on the same principle as violin or guitar soundboards, he created a base made from the wood of spruce trees from the Vallée de Joux. The sound of the repeater strike is thus magnified when the watch is placed on this base.

A presentation box worthy of this exceptional watch

Another artisan from the Vallée de Joux was commissioned to create the presentation box. This cabinet-maker known for his custom-made creations for the region’s most prestigious watch companies designed an impressively sized burr walnut presentation box measuring 45 x 32 x 17 cm. This exceptional hand-crafted object was also lined in the Vallée de Joux.

Technical details

Model: Pierre deRoche GrandCliff TNT BelCanto

Movement
Hand-wound PDR Calibre 4013 with “Maltese Cross” barrel-spring stopwork, originally made by LeCoultre & Co, modified by Numa Robert-Waelti (patent registered in 1894), 22 jewels, 18,800 vph, 2.5 Hz, Breguet-type balance-spring, balance with screws, circular-grained mainplate, bridges adorned with “Côtes de Genève”, sunburst barrel, chamfered and circular satin-brushed wheels, open-worked hour and minute wheels and lower balance bridge, 30-hour power reserve. diameter: 43.7 mm, 19 lignes, 9.2 mm thick

Functions
Hours, minutes, seconds, quarter repeater and one-minute column-wheel chronograph

Case
18-carat rose gold, 55.5 mm in diameter
18-carat rose gold pushers, crown and crown guard
Back and upper bezel fitted with 2 sapphire crystals
Repeater slide at 9 o’clock
Water-resistant to 30 metres

Dial
Sapphire crystal
Coloured by metallization; laser engraving
Hour-markers created by galvanic growth
18-carat rose gold hour, minute and seconds hands

Strap
Crocodile leather, folding clasp with 18-carat rose gold cap and grade 2 titanium fold-out piece

Limited edition
Series of three

Pierre De Roche Shiny Pebbles Waves

Swiss luxury watch brand Pierre De Roche presents ” Shiny Pebbles Waves ” a stunning watch model from their ladies watch collection. In this collection, Pierre DeRoche captures nature’s magic in meticulously worked settings.

Shimmering colours, sparkling reflections and refined elegance come together on the wrists of women seeking the ultimate in perfection.

Technical details

– Movement: Quartz.
– Functions: Hours, minutes.
– Case: Steel set with 94 diamonds (1.25 cts), blue sapphire cabochon.
– Dial: Silver-coloured, sunburst motif, diamond-set (0.32 cts).
– Interchangeable straps: 2 models, various colours and materials.

Pierre De Roche Shiny Pebbles Day & Night

Swiss watch maker Pierre De Roche presents Shiny pebbles Day & Night watch collection for ladies. In this collection, Pierre DeRoche captures nature’s magic in meticulously worked settings. Shimmering colours, sparkling reflections and refined elegance come together on the wrists of women seeking the ultimate in perfection.

Pierre De Roche Shiny Pebbles Day Model

– Case: Steel set with 36 diamonds (0.18 cts), blue sapphire cabochon.
– Dial: Silver-coloured, sunburst motif.
– Interchangeable straps: 2 models, various colours and materials.
– Movement: quartz.
– Functions: hours, minutes.

Pierre De Roche Shiny Pebbles Night Model

– Case: Steel set with 66 diamonds (0.78 cts), blue sapphire cabochon.
– Dial: Black, sunburst motif.
– Interchangeable straps: 2 models, various colours and materials
– Movement: Quartz.
– Functions: Hours, minutes.

PIERRE DEROCHE SplitRock MDA Full Black

A unique chronograph displaying seconds, minutes and hours in one single counter, the SplitRock offers a rapid and intuitive reading of the measured times. A strong rectangular case, finely worked dials and noble materials are the hallmarks of this collection.

Black PVD case, crown and push-pieces, black guilloche dial, large black numbers with black Superluminova, black counters and hands: PIERRE DEROCHE has added a personal touch to “black is beautiful” by brightening up the SplitRock MDA with red highlights.

With the red stitching on the strap, red on the date indicator and on the seconds hand of its emblematic concentric chronograph, PIERRE DEROCHE has opted for audacity, creating an intriguing piece between sport and high-tech, the mystery of the night and the frenetic pace of a busy day.

Technical details

Model: PIERRE DEROCHE SplitRock MDA Full Black

Movement
Automatic, exclusive Dubois Dépraz calibre, pierced and engraved oscillating weight.

Functions
Hours, minutes, small seconds, chronograph with 3 concentric hands, medium-sized date.

Case
Black PVD 316L steel, anti-reflective sapphire crystal, sapphire back, water-resistant to 30 m.

Dial
Black guilloche

Strap
Black crocodile with red stitching, on a rubber base, with steel folding clasp.

PIERRE DEROCHE TNT Royal Retro

The PIERRE DEROCHE  TNT Royal Retro is the world’s first mechanism with six retrograde seconds hands. While there is nothing new about retrograde displays of the date, day and hours, the spectacle of six moving retrograde seconds hands is truly innovative.

While this feature has been introduced to provide an element of fun, it also reveals a totally original approach: all the retrograde hands in this model are driven by gears rather than cams and, thanks to a strip-spring that has replaced the classical balance-spring system, return to their initial positions after “passing on the baton” to the next retrograde hand. This innovation facilitates adjustment and enhances shock resistance.

The seconds are displayed by a relay team of six retrograde hands around the dial. The sector with the moving hand is indicated when the window in the middle of its bridge turns red. When this hand completes its 10-second cycle, it “passes on the baton” to the following sector and returns to its initial position. The “baton” is thus passed on from one sector to another ad infinitum.

Not content with replacing cams with gears and balance-springs with strip springs, which improves both the design and shock resistance while reducing the risks of wear and tear, Pierre DeRoche has introduced another technical achievement: a single central bridge for 12 pivots.

The multiplication of hands increases the need for more energy. This is supplied by the meticulously designed extra-large 22K pink gold oscillating weight, which is pierced, engraved and coloured. The ultimate touch of perfection is the cover stamped with the Pierre DeRoche seal.

The Dubois have been watchmakers for four generations. Between Marcel Dépraz, son Roger, son-in-law Reynold Dubois, grandson Gérald Dubois, and great-grandsons Pierre, Pascal and Jean-Philippe (present directors of Dubois Dépraz), almost 50 patents have been registered in a century.

And it is with his two brothers that Pierre Dubois, CEO of Pierre DeRoche, has developed the TNT Royal Retro. The idea was born during one of those numerous and passionate discussions held around the family table: if today’s timepieces offer a triple retrograde reading of the seconds, why not go further and offer six retrograde hands?

This required a movement that could house six mechanisms, remain unaffected by their velocity, and avoid any untimely stoppages.

While more than a year of tests was required to guarantee the technical excellence and reliability of the movement, the design also received considerable attention. One is immediately struck by the powerful character of the case.

Designed in several parts in a highly successful combination of different materials – titanium middle, steel bezel, and pink gold horns, crown-shield and crown – its construction highlights all Pierre DeRoche’s expertise.

The PIERRE DEROCHE TNT Royal Retro watch is limited to 21 pieces.

Technical details

Model: PIERRE DEROCHE TNT Royal Retro

Movement
Automatic, exclusive Dubois Dépraz calibre, 58 rubies, decorated and engraved gold oscillating weight (22K), 12 pivot central bridge and 6 chamfered and satin-finished seconds bridges, moving retrograde hand indicators, minute wheel with Pierre DeRoche logo

Functions
Hours, minutes, retrograde seconds in six 10-second sectors, date

Case
Black PVD titanium middle, steel bezel, 18K rose gold horns, crown-shield and crown, 47.5 mm in diameter

Strap
Crocodile with 18K rose gold safety folding clasp

Other versions
Titanium and steel case in a limited edition of 201 pieces

Pierre Deroche GrandCliff Double Retrograde Skyscrapers

Inspired by the famous urban constructions vying with each other in terms of height and daring, Pierre DeRoche pays tribute to the gravity-defying skylines of our modern cities. GrandCliff Skyscrapers is also a genuine technical feat in its own right.

Both futuristic and classic by nature, this timepiece reveals a highly original feature in the form of two dizzying half-moon counters facing each other to provide a retrograde read-off of the hours and minutes. The dial is simply breathtaking with its more than 55 parts imparting an unmistakable sense of technical sophistication and power.

Designed like skyscrapers, the hours and minutes light up this stunning watch face with their polished sides and luminescent tips. Operations generally used for movement parts, such as polishing, satin-brushing, sapphire-blasting, have been applied to achieving the superlative finish of this dial. Inspired by the Empire State Building, the hands further accentuate the forceful character of this exceptional watch.

And when the GrandCliff Double Retrograde Skyscrapers is adorned with 64 black diamonds, these sparkling towers literally reach for the stars.

Technical details

Model: Pierre Deroche GrandCliff Double Retrograde Skyscrapers

Movement
Self-winding, Dubois Dépraz calibre, cut-out and engraved oscillating weight.

Functions
Retrograde hours and minutes, small seconds

Case
Polished and satin-brushed 316L steel, screw-locked crown, glare-proofed sapphire glass, engraved case-back, water-resistant to 100 metres, with or without 64 black diamonds(1.28 cts).

Dial
Black, double retrograde counters with voluminous rhodium-plated hour-markers.

Strap
Crocodile leather, folding clasp in 316L steel

Limited edition
Series of 21 for the GrandCliff Double Retrograde Skyscrapers gem-set model