Features:
1) Timing alarm (alarms for 30 seconds each time) and hourly time signal
2) Year, month, day, week, time display
3) Stopwatch: 1/100 second start / stop
4) Water resistance: 30m
5) 12 / 24-hour formats
6) TPU resin strap
7) With alloy buckle and back
8) Battery: super low power consumption, battery life: up to 2 years