Stuhrling Original Men's Automatic Stainless Steel Sport Watch(Model: 79AA.331154) Quality Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Reliable automatic-self-wind movement 22 Jewels Features a Rotating Bezel and Date window at the 3 o'clock position, built on a stainless steel bracelet Krysterna Scratch resistant crystal Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving