Patek Philippe 39mm Men Grand Complications Perpetual Calender Moonphase Watch Blue Dial 5327G

39mm 18K white gold case, interchangeable full back and sapphire crystal case back, royal blue sunburst dial with gold applied Breguet numerals, caliber 240 Q self-winding movement with perpetual calendar, day, date, month, leap year and 24-hour indication by hands, moon phases, approximately 38-48 hours of power reserve, shiny navy blue alligator strap with square scales, fold-over buckle. Water resistant to 30 m.