Patek Philippe - Grand Complications Perpetual Calender Retrograde Watch 5496R-001

39.5 mm platinum case, interchangeable full and sapphire-crystal back, honey brown dial with gold applied hour markers, caliber 324 S QR self-winding movement with perpetual calendar, retrograde date hand, day, date, month, leap year in apertures, center sweep second hand, moon phases, approximately 35-45 hours of power reserve, shiny brown alligator strap with square scales, fold-over buckle. Water resistant to 30 m.