Stuhrling Original Men's Swiss Quartz Stainless Steel and Black-Rubber Sport Watch, Color:Black (Model: 160.33561) Precise Swiss-quartz movement Swiss quartz Chronograph (Ronda Startech 5030.D) and six jewels Add and split function chronograph with seconds, minutes and 12 hour counter and quick-set date complication Krysterna scratch resistant crystal Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving