Invicta Men's 0315 Ceramic Mobula Chronograph Black Dial Black Ceramic Watch Swiss quartz movement Flame-fusion crystal; black ceramic case and bracelet Chronograph functions with 60 second, 30 minute and 1/10th of a second subdials; date function Black dial with silver tone hands and hour markers; luminous; polished tungsten bezel; tachymeter scale on inner bezel; black ceramic and tungsten crown and pushers Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving