Invicta Men's 6157 Reserve Collection Akula Black Polyurethane Watch Swiss quartz movement Flame-fusion crystal; brushed and polished stainless steel case; black polyurethane strap 60 second, power reserve and day of the week sub-dials; date function Black dial with white hands and luminous Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving