Tank MC watch, Manufacture self-winding mechanical movement, caliber 1904-PS MC. Steel case, octagonal steel crown set with a synthetic spinel, blue flinqué dial, rhodiumized steel sword-shaped hands, sapphire crystal, dark blue leather strap, double adjustable folding steel buckle, 48-hour power reserve, calendar aperture at 3 o'clock, small seconds counter at 6 o'clock, sapphire case back. Case thickness: 9.5 mm. Water-resistant to 3 bar (approx. 30 meters / 100 feet).