Tank Américaine watch, large model, mechanical movement with automatic winding. Steel case, faceted crown with a faceted synthetic blue spinel. Silvered satin-brushed dial, blued-steel sword-shaped hands, sapphire crystal. Semi-matte navy blue leather strap, interchangeable steel folding buckle. Case dimensions: 44.4 mm x 24.4 mm, thickness: 8.6 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).