Casio Illuminator sport black and blue dual-time digital watch. Features 10-YEAR BATTERY LIFE 100-meter water resistance 1/100-second stopwatch Multi alarm LED backlight Specifications Case/bezel material: Resin Resin Band Resin Glass 100-meter water resistance LED backlight Afterglow Dual time 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring mode: split time Multi-function alarm (with 1 snooze alarm) Hourly time signal Full auto-calendar (to the year 2099) 12/24-hour format Regular timekeeping: Hour, minute, second, pm, year, month, date