Swiss Military Hanowa Men's 06-4091-04-001 Challenger Silver Dial Rubber Strap Watch Precise Swiss-quartz movement Chronograph feature; all surgical stainless steel case Luminous dots and hands for easy night reading Screw down stainless steel crown; strong mineral crystal protects dial from scratches and scrapes Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving