Important Modern & Vintage Timepieces
Hong Kong, Nov 27, 2016
PATEK PHILIPPE REF. 5980 NAUTILUS CHRONOGRAPH STEEL Patek Philippe, Genève, "Nautilus - Chronograph," Ref. 5980/1A. Very fine and rare, large, cushion-shaped, self-winding, water-resistant, stainless steel wristwatch with rectangular button fly-back chronograph, combined 30/60-minute and 12-hour totalizer, instantaneous date and a stainless steel Patek Philippe bracelet with concealed double deployant clasp. Accompanied by an original fitted box, Certificate of Origin, and booklets.
Three-body, polished and brushed, transparent case back, sapphire crystals. Blue with horizontal stripes, applied luminous white gold baton indexes, outer minute and 1/5th seconds divisions, silver and blue subsidiary dials for the combined 30/60-minute and 12-hour totalizer, aperture for the date. Luminous white gold baton hands. Cal. 28-520 C, 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, unidirectional 21K gold rotor with oil-free ball bearing and zirconium balls.