Tank Must watch, extra-large model, Manufacture mechanical movement with automatic winding, caliber. Steel case, beaded crown set with a synthetic cabochon-shaped spinel, silvered flinqué dial, blued-steel sword-shaped hands, interchangeable black grained calfskin strap, interchangeable steel deployant buckle, calendar aperture at 6 o'clock. Case dimensions: 41 mm x 31 mm, thickness: 8.4 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet). Transferable Warranty till November 2030 via Cartier Care. Box, warranty card, protective cover, tag. Running perfect and keeping good time. Complete Full set. Refer to my other auction for straps for this watch.