Casio General x Digital ft. Illuminator Men Casual Hexagon 100m Water Resistant Watch W-800H-5A W800H W800 W-800 W-800H Discover legendary durability with the Casio W-800H series digital watch. Built for active lifestyles, it features 100-meter water resistance for swimming and snorkeling, a remarkable 10-year battery life, and practical tools including dual time, 1/100-second stopwatch, multi-function alarm with snooze, and LED backlight - all in a lightweight, comfortable resin design. Module / Movement 3240 (quartz) Battery Life / Accuracy Approximately 10 years (+/-30 seconds per month) Crystal Resin glass Light LED backlight (afterglow) Case / Band Material Resin case with resin band Water Resistance 100m / 10 bar Case Size Thickness: 13.4 mm Diameter: 36.8 mm Length: 44.2 mm Lug width: Integrated Other Specifications Casio General x Digital ft. Illuminator Dual time 1/100-second stopwatch (up to 24 hours, split time) Hourly time signal Multi-function alarm (with 1 snooze function) Full auto-calendar (to year 2099) 12/24-hour format Regular timekeeping (digital display)