Invicta Signature 7041 Men's Automatic Diver Watch Quality Japanese-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 Automatic; day and date function Black dial with white hour markers; luminous hands; screw down crown; exhibition case back Water resistant to 660 feet (200 M): suitable for recreational scuba diving