Technical Specification:

50-meter water resistance
1/1000-second stopwatch
Measuring capacity:
Total elapsed time display: 9:59’59.999’’
Lap time display: 59’59.999’’
Split time display: 9:59’59.999’’
Measuring modes: Elapsed time, lap time, split time, 1st-100th place time, lap counter (up to 99)
Memory capacity: 2 sets of 100 records each
Full auto-calendar (to the year 2099)
12/24-hour format
Button Operation Tone On/Off
Time Display
Regular timekeeping: Hour, minutes, seconds, am/pm, year, month, date, day
Accuracy (time): ±30 seconds per month
                 (stopwatch): 99.9988%
Approx. 5 years on CR2032 (includes an average of 30 presses of button per day.)
Size of case: 83 × 64 × 24 mm
Total weight: 82 g

Features:

1/1000-sec STOPWATCH
50-meter water-resistant
LAP 100 X 2
Timekeeping function
5-year battery life
Beeper On/Off