Important Collectors Wristwatches, Po...

Geneva, Nov 14, 2009

LOT 333

Single Sealed Ref. 5450P, Annual Calendar with Pulsomax Escapement, First Time at Auction Patek Philippe, Genève, ?Patek Philippe Advanced Research? Pulsomax Escapement?, movement No. 3900222, case No. 4700613, Ref. 5450P. Made in a limited edition of 300 pieces in 2008. Very fine, rare and innovative, center-seconds, self-winding, water resistant, platinum and diamond wristwatch with annual calendar, power reserve indication, moon phases, Pulsomax escapement and a platinum Patek Philippe deployant clasp. Accompanied by the Certificate of Origin, 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. Pink with applied black 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 black gold feuille hands. M. Cal. 324, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 34 jewels, straight line lever escapement, Pulsomax escape wheel, the bridge with additional milled opening, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating freesprung 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 11.7 mm.