Swiss Legend Men's 10012A-22 Reserve Collection Automatic Stainless Steel Watch with Winder Quality 18-jewel Swiss-automatic movement; functions without a battery; powers automatically with the movement of your arm Scratch-resistant sapphire crystal; brushed and polished stainless steel case and bracelet Date function Silver dial with blue metallic hands, hour markers and arabic numerals; luminous; screw-down crown; sweeping second hand; exhibition case back; watch winder included Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving