50M Water Resistant
LED Backlight
selectable illuminaton duration (1.5 seconds or 3 seconds)
Dual time
Hourly time signal
1/100 second stopwatch
Measuring modes: Elapsed time, split time, 1st-2nd place times
Daily alarm
Hourly time signal
Full Auto-calendar (pre-programmed until the year 2099)
12/24 hour formats
Regular timekeeping: hour, munute, second, pm, month, date, day
Accuracy: +/-20 seconds per month
Approx. battery life: 10 years
Battery: CR1620
Module: 3455
Size of case/total weight
LW203 38.1 x 34.6 x 11.3mm / 20g