Importantes Montres de Collection

Geneva, Nov 13, 2011

LOT 593

PATEK PHILIPPE REF. 725/4, AMERICAN DIGITAL PERPETUAL CALENDAR Patek, Philippe, Genève, movement No. 931262, case No. 327508. Ref. 725/4. Made circa 1977. Extremely fine and very rare, 18K yellow gold, keyless dress watch with linear digital perpetual calendar and moon phases. Accompanied by the original Patek Philippe box, Certificate of Origin, hang tag, Patek Philippe (Japan) service guarantee card, pouch and booklet.

C. Three-body, "moderne" with concave bezel, polished and brushed, correctors on the fl at band, inverted U-shaped bow. D. Brushed silver, applied yellow gold baton indexes and Arabic 12, outer minute divisions, aperture for the digital display of days of the week, months and dates, aperture at 6 for phases of the moon concentric with subsidiary seconds. Yellow gold dauphine hands. M. 37 mm 17''' 170, rhodium-plated, fausses cotes decoration, stamped twice with the seal of Geneva quality mark, 18 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronisms and fi ve positions, self-compensating blued steel Breguet balance spring, swan-neck micrometric regulator. Dial, case and movement signed. Diam. 46 mm.