Includes watch and recording features:  EKG accurate heart rate display.  Manual entry of target zone with audible and visual high/low alarm.  Displays heart rate and exercise duration.  Recall of total exercise duration, maximum and average heart rate after exercise with date stamp.  Time of day clock selectable 12/24 hour display and day of week indication.  Stopwatch.  Water resistant to 30m.  Easy to read large display with backlight.