Accutron Men's Automatic Stainless Steel Dress Watch, Color:Silver-Toned (Model: 26A09) Imported Quality Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Sapphire crystal Case diameter: 43 mm Stainless-steel case; Black dial; Day-and-date functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving