221
A superb and extremely rare yellow gold open-face minute repeating perpetual calendar split seconds chronograph watch with 30-minutes register, moon phases and enamel dial
1914
52mm. Diameter
Case, dial and movement signed. Inner case back signed and engraved "Chronomètre". Case back engraved with the initials JK
Estimate
CHF80,000 - 140,000
€73,400-129,000
$82,400-144,000
Sold for CHF106,250