This is an authentic AUDEMARS PIGUET Stainless Steel 42mm Royal Oak Offshore Chronograph Automatic Watch Black 26470ST.OO.A028CR.01. This Royal Oak Offshore timepiece is crafted of stainless steel and features an automatic movement with chronograph complication, a black dial with bold Arabic hour markers, date indicator, sapphire crystal and a stainless bracelet. Follow this item for alerts. Audemars Piguet is a registered trademark of Audemars Piguet. FASHIONPHILE is not affiliated with Audemars Piguet.