93,750 CHF
PATEK PHILIPPE REF. 725, "AMERICAN" DIGITAL PERPETUAL CALENDAR YELLOW GOLD Patek Philippe, Genève, movement No. 931968, case No. 332417. Ref. 725/4. Made in 1979, sold on October 9th, 1979. Extremely fine and very rare, 18K yellow gold, keyless dress watch with linear digital perpetual calendar and moon phases. Accompanied by the Extract from the Archives and a Patek Philippe service invoice in the amount of CHF 2'160. Three-body, "moderne" with concave bezel, polished and brushed, correctors on the flat band, inverted U-shaped bow. Brushed silver, applied yellow gold faceted baton indexes, outer minute divisions, aperture for the digital display of days of the week, months and date, aperture at 6 for phases of the moon concentric with subsidiary seconds. Yellow gold dauphine hands. Cal. 17``` 170, rhodium-plated, fausses cotes decoration, 18 jewels, straight-line lever escapement, movement stamped twice with Geneva hallmark, cut bimetallic compensation balance adjusted to heat, cold, isochronism and five positions, self-compensating blued steel Breguet balance spring, swan-neck micrometric regulator. Notes Dial, case and movement signed. DIAM. 46 mm. REFERENCE 725 and the nearly identical reference 725/2 were in production from 1940 until around 1964. To date, less than 20 examples of this model are known to have survived. The reference 725 is the scarcer of the two references, the difference is that the calendar aperture on this model has rounded ends instead of
Auctioneer:
Antiquorum
Date:
2016-05-15
