Casio Men's Quartz Stainless Steel and Resin Sport Watch, Color:Black (Model: AMW340-1AV) Quality Japanese-quartz movement Stopwatch; daily alarm; hourly Time Signal Auto-Calendar; 12and 24 hour formats Neo-Brite Luminous hands and hour Markers; black resin strap Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving