Important Collectors Wristwatches, Po...

Geneva, Nov 14, 2009

LOT 119

Ref. 5350 Pink Gold Advanced Research Annual Calendar with Silicon Escape Wheel and Silinvar Spiromax Balance Spring Patek Philippe, Genève, movement No. 3686016, case No. 4370686, Ref. 5350R. Made in a special edition of 300 pieces in 2007, sold February 22nd, 2007. Very fine, rare and innovative, center seconds, self-winding, water-resistant, 18K pink gold wristwatch with annual calendar, power reserve indication, moon phases, silicon escape wheel, Silinvar Spiromax balance spring and an 18K pink gold Patek Philippe deployant clasp. Accompanied by the original box, Certificate of Origin, setting pin and booklets.

C. Two-body, solid, polished, transparent screwed-down case back with cyclops lens over escape and balance wheels, rounded bezel, correctors in the band, concave lugs, sapphire crystals. D. Satine silver with applied pink gold baton indexes and Arabic quarter hour numerals, luminous dots, outer minute track, subsidiary dials for the days of the week, the months, apertures for the moon phases and the date at 6, up and down indication below 12. Luminous pink gold feuille hands. M. Cal. 324/267, stamped with the Seal of Geneva quality mark, rhodium plated, fausses cotes decoration, 36 jewels, straight-line lever escapement with silicon escape wheel, the bridge with additional milled opening, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung Silinvar Spiromax balance spring, 21K gold rotor with zirconium ball-bearings. Dial, case and movement signed, back crystal inscribed: Patek Philippe Advanced Research. Diam. 39 mm. Thickness 12 mm.