Patek Philippe Style No: 5980/60G-001 Patek Philippe Nautilus - Flyback Chronograph - 40.5 mm White Gold Case - Blue-Gray Dial

40.5 mm white gold case, 12.2 mm thick, sapphire crystal back, screw-down crown, opaline blue-gray dial with horizontally embossed, white gold applied baton-style hour markers with white luminescent coating, CH 28-520 C self-winding movement with flyback chronograph, central chronograph hand, 60-minute and 12-hour monocounter, date in an aperture, approximately 45-55 hours of power reserve, blue (originally fitted) calfskin strap, white gold fold-over buckle. Water resistant to 30m.