10 ATM 100 m Waterproof Digital Sports Watch for Swimming and Diving with Chronograph, Stopwatch, Timer, Countdown, Calendar, Dual Time Zone, Alarm Clock, 12 or 24 Hours Format Switchable

- The water resistance level of this watch has reached 10 ATM, which means that it can work normally up to a depth of 100 metres (330 ft) underwater. It is not only suitable for water activities such as swimming, diving, snorkelling, surfing, rowing, water skiing, but also for daily use and outdoor sports such as jogging, hiking, climbing, cycling, etc. - The integrated stopwatch and timer function of the watch can meet the exact timing needs of exercises and sports competitions. - The function to display two time zones makes your trips more convenient; the display in 12/24-hour format can meet the time reading habits of different people. -Supports several useful functions such as: alarm clock, hourly signal, 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.