Casio AE-1200WHD-1AVCF

Built in 10 year battery that will provide a decade of use without the worry of changing batteries.

World time shows the time in 48 cities (31 time zones) around the world.

5 alarms that can be configured as a daily or a one time alarm and then is disabled automatically.

You can also turn on an hourly time signal which acts like a cuckoo clock that beeps twice at the top off every hour on the hour.

Suitable for everyday use and swimming and Snorkelling but not suitable for high board diving or sub-aqua diving.