Invicta Men's 0640 Reserve Collection Specialty Subaqua Automatic Polyurethane Watch Quality 26-jewel Swiss-automatic movement; functions without a battery; powers automatically with the movement of your arm Durable flame-fusion crystal; matte stainless steel case; black polyurethane strap Date function Black mother of pearl dial with gray and white luminous hands; sweeping white second hand; skeletonized dragon on center of dial; unidirectional bezel; screw-down crown Water-resistant to 1,640 feet (500 M)