DE TOURNEMIRE Tourbillon Bi-rétrograde Limited Edition

DE TOURNEMIRE is a Swiss luxury watch brand founded by Jean-Jérôme and Jean-Gabriel Marteau. The brand draws its strength from the Marteau family with more than 60 years of expertise in crafting fine jewellery creations and watch making tradition of its home country. The major attraction of every DE TOURNEMIRE watch is the perfect harmony of the movement and the center stone, a first in the history of luxury Swiss watch making.

The first horological creation from DE TOURNEMIRE associates a mechanical tourbillon movement and a diamond centre stone. Available in white or pink 18K gold or in titanium, this timepiece indicates retrograde hours and minutes. The spectacular tourbillon complication at 6’o clock revolves 1 rotation per minute.

Topped by a precious centre stone, this manual winding mechanical tourbillon movement is comprised of total 259 parts including 47 parts of the Tourbillon cage. Bearing 41 jewels, this high horology movement delivers a power reserve up to 72 hours.

Visible through the sapphire crystal glass on both sides, the movement powering this timepiece also employs high grade of finishing techniques in addition to its superior chronometric functions.

Particular attention is paid to crafting each piece of the movement. The beveling shows a perfectionist approach and outline the hand-polished components through the play of shimmering light. The Barrel Bridge and tourbillon are mirror-polished for ultimate refinement. Its continually rotating cage is embellished with diamonds.

Fitted with a curved sapphire crystal front glass, the watch case measures 44.80 mm diameter and 17.35 mm thickness. Crown is set with baguette diamonds and one round diamond. This timepiece is also available with diamond set bezel.

Technical details

Case
In white or pink 18K gold or in titanium with curved Sapphire Crystal with Colored and Anti-reflective
Diameter: 44.80 mm
Thickness: 17.35 mm
Water resistant 3 ATM (30 meters) – 100 ft (norme NIHS 92-20/SN ISO 22810:2010)
Crown: In white gold set with baguette diamonds and one round diamond.

Movement
Manual-winding mechanical skeleton movement
Diameter – 38.00 mm
Thickness – 6.00 mm
Number of parts
– Complete movement – 259 parts
– Tourbillon cage – 47 parts
– Weight of the cage – 0.43g
Number of jewels – 41 jewels
Power reserve – 72 hours
Balance wheel: Variable-inertia
Frequency: 21’600 alternances/hour (3.00 Hz)

Finishing
Brass, micro-blasted, spotted, straight-grained flanks, Rhodium or DLC noir (Diamond Like Carbon)
Brass, micro-blasted, spotted, straight-grained flanks, Rhodium or DLC noir (Diamond Like Carbon)
The barrel bridge of the tourbillon are mirror-polished, straight-grained flanks
All gear trains are chamfered by hand and circular grained galvanic coated (Rhodium or 5N)

Functions
Retrograde Hours and Minutes, Tourbillon
Central diamond of 5,50 carats F / VVS2

Strap
Black alligator strap, shagreen, hand-stitched.
Folding clasp in white or pink 18K gold

Please find more details at https://www.detournemire.com

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