Stuhrling Original Men's Japanese Automatic Stainless Steel and Rubber Casual Watch, Color:Black (Model: 182A.33461) Quality Japanese automatic movement; functions without a battery; powers automatically with the movement of your arm Beautifully hand-engraved skeleton three hand movement with hours, minutes, and seconds Hand engraved skeleton movement with blued steel screws and skeleton rotor, four-piece skeleton carbon fiber dial Silicon rubber strap (23.5mm) with ribbed pattern Water resistant to 165 feet (50 M): suitable for swimming and showering