Audemars Piguet Royal Oak Offshore Chronograph Watch - 26401PO.OO.A018CR.0144mm 950 platinum case, 14. 45mm thick, sapphire back, screw locked crown with pushpieces, black ceramic bezel, sapphire crystal with glare proof, blue dial with mega tapisserie pattern, silver toned outer zone, silver toned counters, white gold applied hour markers and royal oak hands with luminescent coating, blue inner bezel, caliber 3126 3840 self winding movement with hours, minutes, small seconds, date display and small seconds at 12 o'clock,