Stuhrling Original Men's Automatic Stainless Steel and Leather Dress Watch, Color:Black (Model: 206.331591) Quality automatic movement; functions without a battery; powers automatically with the movement of your arm Beautifully designed and decorated silver tone skeleton dial Reliable automatic-self-wind movement 20 jewels Krysterna scratch resistant crystal Water resistant to 165 feet (50 M): suitable for swimming and showering