Audemars Piguet Royal Oak Offshore Chronograph Watch 42mm steel case, 14.20mm thick, sapphire back, screw-locked crown and pushpieces, steel bezel, sapphire crystal with glare-proof, blue dial with “méga tapisserie” pattern, silver-toned counters, white arabic numerals with luminescent coating, white gold royal oak hands with luminescent coating, blue inner bezel, caliber 3126 / 3840 automatic movement with chronograph, hours, minutes, small seconds, date, approximately 50 hours of power reserve, blue rubber strap, steel pin buckle. Water resistant to 100 meters.