Lot 46 THE PROPERTY OF A PRIVATE COLLECTOR
*A. LANGE & SÖHNE, CABARET TOURBILLON PLATINUM MANUALLY-WOUND 5-DAY-GOING TOURBILLON WRISTWATCH WITH PATENTED STOP-SECONDS MECHANISM, DATE DISPLAY AND POWER-RESERVE INDICATION
CASE 170001, MANUFACTURED IN 2008
Closed28 April 2009
Price Realised
USD 146,500
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Specialist note
The CABARET TOURBILLON represents a breakthrough in the tourbillon's two hundred-year existence. It is the first timepiece of its type that can be set precisely to the second, allowing an accurate synchronisation with an external time source. This horologically challenging complication is achieved with Lange's patented stop-seconds mechanism.
When the crown is pulled, a complex mechanical motion brings a stop lever with two V-shaped spring arms into contact with the outer rim of the balance wheel, which immediately causes it to stop. The delicate two-armed steel spring is hinged at one of the brake lever's rotation points, avoiding any one of the tourbillon cage's three posts. The asymmetric geometry of the two spring ends ensures they exert optimal pressure regardless of the spring's position in relation to the balance wheel.
When the crown is pulled, a complex mechanical motion brings a stop lever with two V-shaped spring arms into contact with the outer rim of the balance wheel, which immediately causes it to stop. The delicate two-armed steel spring is hinged at one of the brake lever's rotation points, avoiding any one of the tourbillon cage's three posts. The asymmetric geometry of the two spring ends ensures they exert optimal pressure regardless of the spring's position in relation to the balance wheel.