Lange Tourbograph „Pour le Mérite“ ordered by Dubail, Paris

Lange Tourbograph „Pour le Mérite“
ordered by Dubail, Paris

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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