Audemars Piguet Royal Oak Openworked Grande Complication Watch - 26065IS.OO.1105IS.0144mm titanium case, 14. 80mm thick, sapphire back, screw locked crown, titanium bezel, sapphire crystal, dial with smoky counters, white gold royal oak hands with luminescent coating, white counter seconds split seconds chronograph hands, black inner bezel with white minute circle, slate grey movement, caliber 2885 self winding movement with perpetual calendar indicating the day, the date, the week, the moon phases, the month and the leap years,