Pulsar Men&#39;s PF3779 Tech Gear Flight Computer Alarm Chronograph Black Ion Plated Watch Quality Japanese-quartz movement Strong Hardlex crystal protects watch from excessive wear on dial Alarm chronograph with Flight Computer 1/5 second stop watch, records elapsed time up to 60 minutes, split time measurement, bi-directional slide rule bezel Stainless steel case; black and silver dial; date function; chronograph functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving