Invicta Men's 4578-SN Russian Diver Chronograph Black Dial Black Polyurethane Watch Quartz movement Flame-fusion crystal; polished stainless steel case; black polyurethane strap with stainless steel barrel inserts Chronograph functions with 60 second, 30 minute and 1/10th of a second white bordered subdials; date function Black dial with silver tone hands, hour markers and arabic numerals; luminous; screw-down protective cap on crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving