Swiss Legend Men&#39;s 50064-03 Evolution Collection Chronograph Rubber Strap Watch Precise Swiss-quartz movement Scratch-resistant sapphire-crystal; polished stainless steel case; black rubber strap Chronograph functions with 60 second, 30 minute and 1/10 of a second subdials; date function Silver textured dial with luminous hands and hour markers; blue textured subdials; unidirectional rotating bezel; sweeping second hand Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving