Invicta Men's 5660 S1 Collection Chronograph Watch Quality Japanese-quartz movement Durable mineral crystal; stainless steel case; black leather strap Chronograph functions with 60 Second, 30 Minute and 1/10th Second Sub-dials; date function Luminous hands; silver Carbon Fiber Inner dial; silver-Tone outlined Sub-dials; tachymeter Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving