Casio Digital Sports Watch -This digital Casio watch sports a wide, easyread display that shines even underwater. Its rotating bezel adds a dash of sporty flair while the LED backlight keeps time visible in any light. With water resistance down to 100 meters and a tenyear battery, youll stay on schedule without a hitch. Stopwatch, alarm, timer and worldtime functions round out a feature set built for active lives. Water Resistance 100 meters (328 ft) Battery Life 10 years