Tank Américaine watch, large model, mechanical movement with automatic winding. Steel case, octagonal crown set with a blue synthetic spinel, silvered dial, blued-steel sword-shaped hands, navy blue semi-matte alligator leather strap, interchangeable deployant buckle. Case dimensions: 45.10 mm x 26.60 mm, thickness: 9.65 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).