Casio World Time Men's Watch in Black AE-1000W-1A2VEF

With functions such as world time, LED light, 1/100th second stopwatch, and a countdown timer. With a hard-wearing resin case and strap and 100 metres water resistance, this watch is a work horse. With a battery life of approximately 10 years you can just put on this watch and forget about it. You can also mute the notifications on this watch and it has four time zones which can be called up easily.

Functions 

Accuracy
+/- 30 Seconds a Month
Alarm
5 Daily Alarms: Each will sound every day at the time you set, Hourly time signal: The watch beeps every hour on the hour
Auto Calendar
Once set, the automatic calendar always displays the correct date
Countdown Timer Function
Countdown Range: 24 hours, Measuring Unit: 1/10 second
Date and Weekday Display
The current date and week day are displayed on the watch face
Display Illumination
LED light, With afterglow
Mute Function
The button tones on the mode button can be switched off for discreet operation. Pre-set alarm or timer functions remain active.
Stopwatch Function
Measuring Capacity: 24 hours, Measuring Modes: Elapsed time, split time, 1st-2nd place times, Measuring Unit: 1/100th second
Time Zones Display
4 Time Zones Display: Local times can be called up quickly and easily for four different time zones