Audemars Piguet Royal Oak Offshore Diver Limited Edition (15720CNOOA002CA01) self – winding automatic watch, features a 42mm 18k white gold case with a black ceramic bezel surrounding a black Mega Tapiserrie dial on a black rubber strap with an 18k white gold tang buckle. Functions include hours, minutes, seconds, date and helium release valve. This watch comes complete with the original box and papers. Scattered Serial. This is a Limited Edition piece of 300! We back this watch with a 2-Year WatchBox warranty!