Lange Tourbograph „Pour le Mérite“
ordered by Dubail, Paris
Lange Tourbograph „Pour le Mérite“ ordered by Dubail, Paris
Crown for winding with brilliant-cut diamond
Dubail, A. Lange & Söhne’s historic partner in Paris, chose to team up with the master watchmakers who, once again, have pulled out all the stops to enthral the loyal visitors of Place Vendôme and fans of the brand with a true masterpiece: the TOURBOGRAPH “Pour le Mérite”. Set with 377 diamonds (40.6 carats Top Wesselton VVS), this piece of exceptional jewellery-making was designed according to A. Lange & Söhne’s strictest quality criteria, and was assembled and decorated entirely by hand.
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Referenz:
- 882.025
Movement:
- Lange manufacture calibre L903.0, manually wound, crafted to the strictest Lange quality criteria, assembled and decorated largely by hand; precision-adjusted in five positions; plates and bridges made of untreated German silver; chronograph bridge engraved by hand; 30.0 millimetres in diameter; 8.9 millimetres high.
Number of part:
- 465 (without chain), of which 84 for the tourbillon frame
Number of chain parts:
- More than 600
Jewels:
- 43, of which 2 diamond endstones
Screwed gold chatons:
- 6
Balance:
- Shock-proofed glucydur-alloy screw balance, Nivarox 1 hairspring with a frequency of 21,600 semi-oscillations per hour (3 Hertz)
Power reserve:
- 36 hours when fully wound
Functions:
- Hours, minutes, power reserve, one-minute tourbillon with fusée-and-chain transmission, chronograph with rattrapante function
Correctors:
- Crown for winding the watch and setting the time, chrono push piece at 2 o‘clock, reset push piece at 4 o‘clock, rattrapante push piece at 10 o‘clock
Cases:
- Platinum. Diameter: 41.2 mm. Height: 14.3 mm. Platinum, set with 201 baguette diamonds and one brilliant-cut diamond on the crown
Crystal and case back:
- Antireflection-coated sapphire-crystal glass (hardness 9)
Dial:
- Solid silver, argenté
Hands:
- Blued steel, chronograph hands made of gold-plated steel
Band:
- Platinum band set with 175 baguette diamonds, Lange folding clasp in solid platinum
Limitation:
- One, one-of-a-kind piece
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