Drive de Cartier WSNM001640 mm x 41 mm steel case, 12.63 mm thick, octagonal steel crown set with a faceted synthetic spinel, sapphire crystal, silvered flinqué dial, calibre 1904-FU MC automatic movement, semi-matt black alligator skin strap, interchangeable steel folding buckle. Water resistant to 3 bar (approx 30 metres).
