Audemars Piguet Royal Oak Perpetual Calendar Watch - 26579CE.OO.1225CE.01

41 mm black ceramic case, 9.5 mm thick, sapphire crystal back, slate grey dial with Grande Tapisserie pattern, black counters, white gold applied hour-markers and Royal Oak hands with luminescent coating, black inner bezel, Manufacture Calibre 5134 selfwinding movement with perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes, approximately 40 hours of power reserve, black ceramic bracelet, titanium AP folding buckle. Water resistant to 20 m.