TEKMAGIC Boys Girls Watch for Swimming, Scuba Diving 100m Underwater with Stopwatch, Chronograph, Alarm Functions, Dual Time Zone, 12/24 Hours Format

-The waterproof level of this watch has reached 10 ATM waterproof, which can work normally at a depth of 100 meters (330ft) underwater. It is not only suitable for wearing in water activities such as swimming, diving, snorkeling, surfing, rowing, water skiing, but also suitable for wearing in daily life and outdoor sports, such as jogging, hiking, climbing, cycling, etc. -The built-in stopwatch and timer function of the watch can meet the precise timing needs of exercise and sports competitions. -The dual time zone display function will make your trips more convenient; 12/24 hour format display can meet the time reading habits of different people. -Support multiple useful functions, such as: alarm clock, hourly chime, calendar and back light. -The watch battery is replaceable. If you find that the watch is not working or the text on the display is not clear, please replace the watch battery in time.