Important Modern & Vintage Timepieces

New York, Oct 08, 2016

LOT 164

PATEK PHILIPPE REF. 3970 YELLOW GOLD PERPETUAL CALENDAR CHRONOGRAPH Patek Philippe, Genève, No. 876103, Ref. 3970E. Made circa 1992. Very fine and rare, astronomic, water resistant, 18K yellow gold wristwatch with round button chronograph, register, perpetual calendar and moon phase with a Cartier gold deployant buckle.

Three-body, solid, polished, screwed-down transparent case back, concave bezel, curved and fluted lugs, sapphire crystals. Matte silver with applied yellow gold bâton and pyramid indexes, subsidiary guilloché dials for the seconds and the 24 hours, the 30-minute register and the leap year, graduation for the days of the month, outer 1/5th seconds scale, aperture for the days of the week, the months and the moon phases. Yellow gold baton hands. Cal. 27- 70 Q, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses côtes decoration, 24 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 8 positions, shock absorber, self-compensating free-sprung Breguet balance spring.