Patek Philippe - Complications Annual Calendar Chronograph Watch 5960/1A-001

40.5 mm stainless steel case, sapphire-crystal back, silvery opaline dial with blackened gold applied hour markers, caliber CH 28-520 IRM QA 24H self-winding movement with annual calendar, chronograph, 60-minute and 12-hour mono counter, apertures for day date and month, approximately 45-55 hours of power reserve, stainless steel bracelet, fold-over buckle. Water resistant to 30 m.