PATEK PHILIPPE REF. 5960P ANNUAL CALENDAR CHRONOGRAPH SEALED PLATINUM Patek Philippe, GenËve, "Annual Calendar Fly-Back Chronograph," movement No. 3503449, case No. 4430723, Ref. 5960P-001. Made in 2008. Very fine and rare, self-winding, water-resistant, platinum and diamond wristwatch with round button fly-back chronograph, combined 30/60-minute and 12-hour totalizer, annual calendar, power reserve, day/ night indications and a platinum Patek Philippe deployant clasp. Accompanied by the original fitted box, Certificate of Origin, and instruction booklet. Two-body, solid, polished, concave bezel and lugs, Top Wesselton diamond set between lugs at 6, correctors in the band, screw-down transparent case back, sapphire crystals. Anthracite with applied white gold faceted baton indexes and luminous dots, outer 1/5th seconds track, silver-gray subsidiary dials for the combined 30/60-minute and 12-hour totalizer, sector for the power-reserve indication, apertures for the days of the week, the date, the months and the day / night indication. White gold luminous feuille hands. Cal. CH 28-520/522, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 35 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, 21K gold rotor with oil-free ball bearing and zirconium balls.