The Tank Américaine watch features an elongated case with a more pronounced curve than the original model. It playfully updates the geometry of the lines, retaining the rectangular form while alternating between round edges and angles. The powerfully elegant Tank Américaine watch is for connoisseurs only. Tank Américaine watch, medium 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 shiny navy blue alligator skin, 14 mm adjustable folding buckle. Case size: 41. 6 mm x 22. 60 mm, thickness: 9. 65 mm. Water-resistant to 30 meters.