Year: 1992 This is an authentic CARTIER Sterling Silver Vermeil Alligator 20mm Must de Cartier Tank Quartz Watch in Black. The watch is crafted of gold plated sterling silver and features a black alligator strap, blue spinel crown, Cartier logo dial, and a quartz movement. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.