Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Watch 37 mm stainless steel case, 12.4 mm thick, stainless steel pushpieces and screw-locked crown, diamond-set bezel, green dial with Lady Tapisserie pattern, blue counters, blue external zone, white gold applied hour-markers and Royal Oak hands with luminescent coating, Calibre 2385 selfwinding movement with chronograph, hours, minutes, small seconds and date, approximately 40 hours of power reserve, green rubber strap, stainless steel AP folding buckle , comes with additional blue rubber strap. Water resistant to 50 m.