Armitron Men's 204405SVSB Automatic Silver-Tone Stainless Steel Black Rubber Strap Sport Watch Quality automatic movement; functions without a battery; powers automatically with the movement of your arm Silver-tone stainless steel case with an engraved black ion-plated top ring Textured black rubber strap; outside minute track; second hand sweep Black skeleton dial exposes silver-tone gears; luminous hands and index markers Water resistant to 165 feet (50 M): suitable for swimming and showering