This Cartier Tank Must WSTA0040 is a modern classic in an extra-large 41 x 31mm steel case. It features a silvered flinqué dial with blued-steel sword-shaped hands, a calendar at 6 o’clock, and a beaded crown set with a synthetic cabochon-shaped spinel. Fitted with a black leather strap and folding steel buckle, this Tank Must combines style and versatility, all in a sleek 8.4mm-thick case with 30-meter water resistance.