North Edge Cyber Tank Watch

Function 1.Time, date mode, calendar , automatic adjustment of the week 2. 12/24-hour clock 3. Wrold time and daylight-saving time 4. 4 groups of alarm clocks, 1 group of snoozes, 5. hourly timekeeping functions 6. 60-minute countdown function 7. Stopwatch function 8. LED lighting function, with manual lighting and automatic lighting functions 9. Waterproof 50M