Ebel Women's Automatic Stainless Steel Dress Watch(Model: 9201L24-9960) Quality Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Scratch-resistant-sapphire crystal Case diameter: 28 mm Stainless-steel case; White-mother-of-pearl dial Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving