Stuhrling Original Men's Automatic Stainless Steel and Leather Dress Watch(Model: 149A.33151) Quality Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Reliable automatic-self-wind movement 20 Jewels Dual Time Regulator and Hydraulically Embossed Dial Krysterna Scratch resistant crystal Water resistant to 165 feet (50 M): suitable for swimming and showering