Kenneth Cole New York Women's Automatic Stainless Steel and Leather Dress Watch, Color:Black (Model: KC2486) Quality Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Mineral crystal Case diameter: 35.1 mm Stainless-steel case; Mother-of-pearl dial Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion