Case / bezel material: Resin Resin Band Resin Glass / Spherical Glass 50-meter water resistance 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 Daily alarm Hourly time signal Auto-calendar (to year 2099) 12/24-hour format Regular timekeeping: Hour, minutes, seconds, pm, month, date, day Accuracy: ÃÃÃñ20 seconds per month