MODEL: 15710ST.OO.A002CA.02 BOX & CERT DATED DEC 2015. This robust 42mm Royal Oak Offshore Diver features an automatic in-house AP 3120 caliber movement housed in a stainless steel case with a sapphire crystal case back. Water-resistant to 300 meters, it offers a 60-hour power reserve. The watch is equipped with black rubber crowns, a black and white rotating insert with a diving scale, and faceted white gold hour and minute hands with luminescent coating. A black rubber strap with an oversized stainless steel pin buckle completes this professional diver’s timepiece.