This is an authentic CARTIER 18K Yellow Gold Alligator 21mm Tonneau Manual Winding Watch in Black. The watch is crafted of 18 karat yellow gold and features a white dial with black Roman numeral hour markers, blue steel sword hands, glossy black alligator bracelet, and a Swiss manual-winding movement. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.