Casio Classic Illuminator G-Shock Watch

"Shock Resistant 200 Meter Water Resistant Electro-luminescent backlight with afterglow Mineral crystal 1/100 second stopwatch Measuring capacity: 23:59'59:99"" Measuring mode: elapsed time, split time, 1st-2nd place times Countdown timer Input range: 1 second to 24 hours Measuring unit: 1 second Auto-repeat function Daily alarm Hourly time signal Accuracy: ± 15 seconds per month Battery: Approx. 2 years on CR2016"