Kenneth Cole New York Women's Automatic Stainless Steel Dress Watch, Color:Silver-Toned (Model: KC4637) 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