This is an authentic AUDEMARS PIGUET Stainless Steel 33mm Royal Oak Quartz Watch Black 56175ST. The watch is crafted of stainless steel and features a black dial, luminescent hour markers and hands, date display, sapphire crystal, and a quartz movement. Follow this item for alerts. Audemars Piguet is a registered trademark of Audemars Piguet. FASHIONPHILE is not affiliated with Audemars Piguet.