Drive de Cartier watch, Manufacture self-winding mechanical movement, caliber 1904-PS MC. Steel case, length: 40 mm, width: 41 mm, thickness: 11.25 mm, octagonal steel crown set with a faceted synthetic spinel. Silvered flinqué dial, Roman numerals, blued-steel leaf-shaped second hand, blued-steel sword-shaped hour and minute hands. Sapphire crystal. Black semi-matte alligator skin strap, 18 mm steel double adjustable folding buckle. Calendar aperture at 3 o’clock, small seconds counter at 6 o’clock, sapphire case back. Water-resistant to 3 bar (approx. 30 meters/100 feet).