Stuhrling Original Men's Automatic Stainless Steel and Leather Dress Watch, Color:Black (Model: 146.33151) Quality automatic movement; functions without a battery; powers automatically with the movement of your arm Reliable automatic-self-wind movement 23 jewels An antique look for the classy man with style Krysterna scratch resistant crystal Water resistant to 165 feet (50 M): suitable for swimming and showering