With the Tank MC watch, the Maison's iconic design takes on a resolutely masculine edge. A larger case, inspired by strong square dimensions and a small seconds counter, gives this model power and elegance. The perfection of its 1904 MC automatic movement, designed by the Cartier Manufacture, is visible through the transparent sapphire case back.Tank MC watch, Manufacture mechanical movement with automatic winding, caliber 1904-PS MC, case in steel, faceted crown in steel decorated with a synthetic spinel, black flinqué dial, sword-shaped hands in gray steel, sapphire crystal, semi-matte black alligator-skin strap, double adjustable folding buckle in steel, calendar aperture at 3 o'clock, small seconds counter at 6 o'clock, sapphire case back, thickness: 9.5 mm, water-resistant to 3 bar (30 meters/100 feet).