The Art of American Horology Part ll,...

Roosevelt Hotel, Madison Avenue @ 45th Street, Dec 04, 2002

LOT 361

Patek Philippe & Cie, Genève,No. 875009, Ref. 3971. Sold in Geneva on January 14, 1987.Very fine and rare, astronomic, 18K yellow gold gentleman's wristwatch with round button chronograph, registers, per-petual calendar, moon phases and an 18K yellow gold Patek Philippe buckle. Accompanied by a fitted wooden box and certificate.

C. three body, solid, polished, concave bezel, transparent case back, sapphire crystals. D. satine silver with applied yellow gold indexes, auxiliary dials for the seconds and the 30 minute register, the 24 hours, the leap year, graduation for the days of the month, apertures for the days of the week, the months and the moon phases. "Feuille" yellow gold hands. M. Cal. 27-70 Q stamped with the Geneva Quality Hallmark, rhodium plated, "fausses côtes" decoration, 24 jewels, straight line lever esc-pement, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprung Breguet balance-spring.Dial, case and movement signed.Diam. 36 mm.