TEKMAGIC Sports Wrist Watch 100 Meters Waterproof for Swimming and Diving with Alarm Clock, Stopwatch, Timer, Dual Time Zone, Calendar, Backlight, 12 or 24 Hour Format, Japanese

- The water resistance of this watch has reached a level of 10 ATM, which means that it can work normally at a depth of 100 metres (330 ft) underwater. It is not only suitable for water sports such as swimming, diving, snorkelling, surfing, rowing and water skiing, but also for daily life and outdoor sports such as jogging, hiking, climbing, cycling, etc. - The built-in stopwatch and timer function of the watch meets the precise timekeeping requirements of exercises and sports competitions. - The display of two time zones makes your trips easier; the 12/24-hour format display corresponds to the time reading habits of different people. -Supports several useful functions such as: alarm clock, hourly beep, calendar and backlight. - The watch battery is replaceable. If you find that the watch does not work or the text on the display is not clear, please replace the watch battery in time.