10-year battery life Water resistant Dual time LED backlight Resin Glass / Spherical Glass Water Resistant Case / bezel material: Resin Resin Band LED backlight Afterglow Dual time 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Multi-function alarm (One-time or 7-time snooze) Hourly time signal Auto-calendar (to year 2099) 12/24-hour format Regular timekeeping: Hour, minutes, seconds, pm, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 10 years on CR2025 Size of case: 44.1 X 40 X 11.5 mm total weight: 27.3 g Brand Casio SKU 101028070_NP-1021556729 Dial Size Other Strap Material Resin Movement Quartz Watch Case Shape Round Watch Movement Country Other Model F-200W-9AUDF Glass Mineral glass