Invicta Men's 0645 Reserve Collection Sea Excursion Chronograph Black Polyurethane Watch Precise Swiss-quartz movement Durable flame-fusion crystal; brushed and polished stainless steel case; black polyurethane strap Chronograph functions with 60 second, 30 minute and 1/10th of a second subdials; date function Black dial with luminous silver-tone hands, hour markers and white second hand; grey and silver-tone stainless steel unidirectional bezel, screw-down crown and pushers Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving