This is an authentic PIAGET 18K Rose Gold Alligator 43mm Gouverneur Perpetual Calendar Automatic Watch. The watch is crafted of 18 karat rose gold and features a Guilloché dial, sapphire crystal, perpetual calendar complication, and an automatic movement. Follow this item for alerts. Piaget is a registered trademark of Piaget. FASHIONPHILE is not affiliated with Piaget.