Tank Américaine watch, medium model, self-winding mechanical movement. Steel case, octagonal crown adorned with a blue synthetic spinel, silvered dial, sword-shaped blued steel hands, two straps in black grained calfskin and red smooth calfskin, interchangeable folding buckle. Case dimensions 41.60 x 22.60 mm, thickness 9.50 mm. Waterproof up to 30 meters.