ILAME Digital Diving Swimming Wrist Watch 10 ATM Waterproof with Multiple Stopwatch Functions, Turn, Alarm Clock, Calendar and Backlight, white

-The waterproof level is 10ATM, this watch can work normally even if it is submerged 100m(330ft) underwater. Superior waterproof performance makes it suitable for water sports, such as diving, snorkeling, swimming, surfing, boating, etc. It is also suitable for hiking, jogging, cycling or other sports activities. -The built-in stopwatch function can meet the timing needs of coaches or referees for multiple participants at sporting events. -Supports multiple useful functions such as: alarm clock, hourly beep, calendar and backlight. -Support 12 or 24 hour format display, suitable for different people's time reading habits. -The watch battery is replaceable. If you find that the watch is not working or the text on the screen is not clear, please replace the watch battery in due time.