Cartier Tank Must de Cartier

The Tank Must de Cartier, reference WSTA0040, is a rectangular watch with a 31 x 41 mm steel case. The case is 8.4 mm thick. Cartier rates the case to 30 metres. Calibre 1847 MC is a self-winding Manufacture movement with a 49 hour power reserve. The silvered flinqué dial has central seconds and a date, shown in an aperture at 6 o'clock. Blued-steel sword-shaped hands are fitted. The beaded crown is set with a synthetic cabochon-shaped spinel. An interchangeable black grained calfskin strap is fitted with a steel folding clasp.