This is an authentic CARTIER Stainless Steel Calfskin 31mm Tank Solo Automatic Watch. This Cartier Tank Solo is crafted from stainless steel and features an automatic movement with a date complication, silver dial, blued sword hands, blue spinel cabochon, and black leather strap with deployant clasp. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.