Invicta Men's 7171 Signature Collection Prowler Automatic Watch Quality Japanese-automatic movement; functions without a battery; powers automatically with the movement of your arm Durable mineral crystal; polished stainless steel case; brushed and textured stainless steel bracelet Date function Black dial; luminous hands, silver tone numerals and hour markers; magnified date display; exhibition case back; screw down crown Water resistant to 660 feet (200 M): suitable for recreational scuba diving