Important Modern & Vintage Timepieces
Hong Kong, Nov 27, 2016
PATEK PHILIPPE REF. 3970 PERPETUAL CALENDAR CHRONOGRAPH YELLOW GOLD Patek Philippe, Genève, Ref. 3970E. Made circa 1990. Very fine and rare, astronomic, water-resistant, 18K yellow gold wristwatch with round button chronograph, register, perpetual calendar and moon phases.
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 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.