Swiss Legend Men's 90010-23 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 Blue 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