Swiss Legend Men's 90010-11 The Senator Automatic Watchwith Winder Quality 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 band Date function Silver luminous hands and hour markers; screw down crown; exhibition case back; watch winder included Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving