Tank Américaine watch, large model, mechanical movement with automatic winding. Case in steel, octagonal crown set with a synthetic blue spinel, silvered dial, blued-steel sword-shaped hands, strap in semi-matte navy blue alligator skin, 18 mm adjustable folding buckle. Case size: 45.10 mm x 26.60 mm, thickness: 9.65 mm. Water-resistant to 3 bar (approx. 30 meters/100 feet).