Tank Must watch, XL model, mechanical self-winding movement. Steel case, beaded crown with cabochon-shaped synthetic spinel, silver flinqué dial, blued steel sword-shaped hands, black grained calf leather strap, interchangeable deployant steel buckle, date display at 6 o'clock. Case Size: 41 x 31 mm, Thickness: 8.4 mm. Water resistant up to 3 bar (~30 meters). Features: