ILAME 10 ATM Water Resistant Digital Wrist Watch for Swimming and Diving with Multiple Functions of Stopwatch Turn, Alarm Clock, Calendar Backlight, Navy blue

-The waterproof level is 10 ATM, this watch is functioning normallythe same as 100 m (330 feet) underwater. The superior waterproof performance makes it suitable for water sports, including diving, hiking, swimming, surfing, boating, etc. It is also suitable for hiking, jogging, biking and other sports activities. -The integrated stopwatch function allows to meet the timing needs of coaches or referees for multiple participants when sporting events. - Supports multiple functions: alarm clock, hourly ringtone, calendar, and backlight. -Display in 12 or 24 hour format to adapt to different people's time reading habits. - The battery of the watch is hardening. If you find that the watch does not work or the text on the screen is not clear, please replace the watch battery in good time.