TEKMAGIC 100m Underwater Diving Men's Boys Wrist Watch with Stopwatch, Chronograph, Alarm, Dual Time Zone, 12/24 Hour Format

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