This is an authentic AUDEMARS PIGUET Stainless Steel Rubber 42mm Royal Oak Offshore Diver Automatic Watch Blue 15720ST.OO.A027CA.01. The watch is crafted of stainless steel and features a blue dial, a date indicator, sapphire crystal, adjustable blue rubber strap and an automatic movement. Follow this item for alerts. Audemars Piguet is a registered trademark of Audemars Piguet. FASHIONPHILE is not affiliated with Audemars Piguet.