This is an authentic AUDEMARS PIGUET 18K Yellow Gold Alligator 36mm Quantieme Perpetual Calendar Automatic Watch 25657BA. The watch is crafted of 18 karat yellow gold and features a white dial with yellow gold hands and hour markers, perpetual calendar complication, black alligator strap, mineral crystal, 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.