Maîtres du Temps Chapter One Tonneau Transparence Titanium (C1-3T) Limited Edition

Maîtres du Temps, the world renowned horology atelier based in La Chaux-de-Fonds, unveils their latest timepiece Chapter One Tonneau Transparence Titanium: C1-3T.

Barely visible to the naked eye, the sapphire crystal replaces the dial revealing the handiwork of the master watchmaker: impeccably finished bridges, precisely beveled edges, and a symphony of mechanical complexity. The Transparence Titanium, presented here in a limited edition of 11 pieces, unveils the heart and soul of a rare timepiece with an outstanding personality. The long and flowing curves that shape the case give it an air of nobility and power that embodies the outstanding complexity of the original movement. The ease of reading and setting the numerous display indications of Chapter One would almost make the user forget that we are facing a world’s premiere in terms of combinations of complications with 558 components.

Chapter One, a real masterpiece of horology, was the first timepiece in the world to feature a tourbillon movement incorporating a mono-pusher column wheel chronograph, retrograde date, retrograde GMT, and phase of the moon and day of the week indications displayed on their own distinctive high-precision cylinders.

Efficiently transmitting power 90° to the two high-precision cylinders and ensuring that they work simultaneously with the time, date, GMT, and chronograph was an immense technical challenge. The harmoniously integrated cylinders, for example, had to be both large enough to be easily read and small enough to be ultra light and homogeneous with the case. Scintillating, laser-pierced moon and stars on the outer cylinder of the moon phase indication add to the stellar elegance of Chapter One. The high-precision cylinders are made of anodized aluminium offering solidity while being lightweight. The painting adorning the cylinders is applied by hand based on a traditional process.

The three-dimensional, arched and bold design of the Chapter One evokes more a sports car than a wristwatch. The different finishes obtained through successive brushings on the titanium material strengthen this appeal. Polished, satin or sanded finish, all the case surfaces benefit from a specific surface treatment. This feat is even more outstanding as the hardness of the material makes any surface treatment a challenge. As a comparison, the decoration of this titanium case requires twice the time of a similar gold version.

The curves of the four correctors integrating a locking system follow a curved line ending in an imaginary spot in order to perfectly marry the elegant design of the case. Manufactured in 18K gold, they incorporate 14 different components and were developed exclusively for Chapter One.

The case back screws are also manufactured of 18K gold.

The sapphire dial designed for Transparence is a work of art and an example of the highest level precision engineering. The 0.40 mm, ultrathin high-tech sapphire dial is cut and precisely laser-pierced more than twenty times to provide holes for the anchors to securely fasten the appliqués that mark the passage of time. The fastidious process of machining the multi-beveled minute track, which includes hand-painted Super-LumiNova indices, illustrates that the level of detail in Chapter One Tonneau Transparence Titanium is not just limited to the movement. While the meticulous process of fitting the tourbillon cage to the fine, nearly invisible dial is reserved for only the most accomplished of watchmakers who dare to take on such a complicated assembly, the result is an extremely legible timepiece with a breathtaking view into mechanical mastery.

A  look at the dial shows in the center; the hour, minute and chronograph 60 second hand, the retrograde date at 3h, the tourbillon and the day of the week cylinder  at 6h, the retrograde second time zone (GMT) at 9h, the 60 minutes chronograph counter and the moon phase cylinder  at 12h.

The opening at 6h allows a unique view onto the superb finish of the tourbillon cage with its finely decorated M shaped cage bridge standing for Maîtres du Temps. The tourbillon cage makes one rotation in sixty seconds showing the motion of the elapsing time.

Equally notable is the addition of the precious metal finish chronograph bridge visible through the octagonal sapphire display back. Through a patented plating process, four precious metals belonging to the platinum family—platinum, rhodium, ruthenium, and palladium—combine to give the chronograph bridge the darkened appearance unique to the Chapter One Transparence collection.

Technical details
Model: Chapter One Tonneau Transparence Titanium (C1-3T)
ONE OF 11 –Limited Edition of 11 pieces

Movement
SHC02.1: one-minute tourbillon, mono-pusher column-wheel chronograph, retrograde date indicator, retrograde GMT indicator, day of the week indication on high-precision cylinder, patented precise moon phase indication on high-precision cylinder
Hand-beveled cut-out bridges
Black precious metal finishes Chronograph Bridge
Dimensions: 51 mm x 32 mm
Number of components: 558
Number of jewels: 58
Power reserve: 60 hours
Tourbillon rotation: 60 seconds
Balance frequency: 21,600 vph (3 Hz)

Displays
Central hands indicating hours and minutes
Central chronograph counterpoised second hand
60-minute counter at 12 o’clock
Retrograde date at 3 o’clock
Retrograde GMT at 9 o’clock
One-minute tourbillon at 6 o’clock
Day of the week indication on cylinder at 6 o’clock
Patented precise moon phase indication on cylinder at 12 o’clock

Functions
Two-position winding crown: pushed in to wind the watch; pulled out to set the time
Chronograph: start/stop/return-to-zero function activated by single pusher in the crown

Correctors
Date corrector at 2 o’clock
Day of the week corrector at 4 o’clock
Moon phase corrector at 8 o’clock
GMT corrector at 10 o’clock

Case
Limited edition of 11 pieces in Titanium, each engravedOne of 11
Crown, back case correctors and screws in 18K white gold
Number of components:  104
Dimensions: 62.60 mm x 45.90 mm x 18 mm
Sapphire crystal with double anti-reflective coating
Display back: sapphire crystal with anti-reflective coating
High polish and satin finishes on compound-curve surfaces
Correctors with integrated locking system

Dial
High-precision, laser-etched sapphire
Number of components: 5
Circular grained appliqués
White Super-LumiNova indices

Hands
Red counterpoised chronograph hand
Sporty faceted diamond-cut hands
Luminescent hour and minute hands

High-Precision Cylinders: 
Day barrel: matte finish anodized Anticorodal aluminium
Moon phase barrel: anodized Anticorodal aluminium with painted moon and stars inside a matte finish anodized cover with laser-pierced moon and stars.

Strap and buckle
Hand-sewn alligator strap with 18K white gold deployant buckle

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