Important Collectors’ Wristwatches, P...

Geneva, Nov 16, 2008

LOT 348

Ref. 5350R, Limited Edition, Annual Calendar with Silicon Escape Wheel and Silinvar Spiromax Balance Spring Patek Philippe, Genève, ?Patek Philippe Advanced Research? Silicon Escape Wheel & Silinvar Spiromax Spring?, movement No. 3686127, case No. 4375285, Ref. 5350R. Made in a limited edition of 300 pieces in 2006, sold on August 29th, 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 Certificate ofOrigin, fitted box, push pin and booklet.

C. Two-body, polished, transparent screwed-down case back with cyclops lens over the escape and balance wheels, curved bezel, correctors in the band, concave lugs, sapphire crystals. D. Brushed 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, aperture for the moon phases and the date at 6, power-reserve 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, 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, movement and case signed, back crystal inscribed ?Patek Philippe Advanced Research?. Diam. 39 mm. Thickness 11.5 mm.