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.