SIHH 2010 ?Vacheron Constantin Patrimony Traditionnelle Chronograph Perpetual Calendar

Movement is the manual-wind Vacheron in-house caliber 1141QP, with 21 jewels, beating at 21,000 bph and with a power reserve of 45 hours.

Functions are hours, minutes, small seconds at 9 o’clock, column-wheel chronograph 30-minute counter at 3 o’clock, ceters chronograph hand and pPerpetual calendar with precision moon-phases at 6 o’clock.
The case, in platinum, measures 43mm and features double sapphire crystals. It is water resistant to 30 meters. Dials are silvered or dark grey opaline.


Vacheron Constantin Patrimony Traditionnelle Chron