This is an authentic CARTIER 18K Yellow Gold Alligator 26mm Tank Americaine Automatic Watch. The watch is crafted of 18 karat yellow gold and features a white dial, Roman numeral hour markers, black alligator strap, sapphire crystal, and an automatic movement. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.