Automatic Movement: mechanically powered and wound by the motion of the wearer's arm or manual winding Black genuine leather strap Tang buckle clasp Polished Coin Edge bezel Alloy case Krysterna crystal Push-pull crown White dial with luminous blue hands Case: 40mm in diameter x 13mm thick Bracelet/strap: 20mm wide x 9in long Water-resistant up to 50 meters Manufacturer's limited warranty