Invicta Men's 5508 Subaqua Sport Black Ion-Plated Chronograph Watch Precise Swiss-quartz movement with Chronograph Features Measuring 60-Seconds, 1/10th-Second, 30-Minutes, Tachometer, and date Display Anti-reflective mineral crystal with sapphire coating covers the sunray double layered black dial and Tritnite luminous hands Unidirectional rotating bezel, stainless steel screw down case back, Screw down crown with protector and Screw down pushers High grade black polyurethane strap with Ionic gun metal plating and a stainless steel buckle with an etched Invicta logo Water-resistant to 1,640 feet (500 M)