Resin Glass 100-meter water resistance Case / bezel material : Resin Resin Band LED backlight (Super Illuminator) Afterglow Dual time 1/100-second stopwatch Measuring capacity : 23 : 59'59.99'' Measuring modes : Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit : 1

Resin Glass 100-meter water resistance Case / bezel material : Resin Resin Band LED backlight (Super Illuminator) Afterglow Dual time 1/100-second stopwatch Measuring capacity : 23 : 59'59.99'' Measuring modes : Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit : 1 second Countdown range : 24 hours Countdown start time setting range : 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Daily alarm, selectable flash alert/vibration alert Hourly time signal Vibration alarm Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping : Hour, minute, second, pm, month, date, day Accuracy : ±30 seconds per month Approx. battery life : 10 years on CR2032 Size of case :  51.4 × 47.1 × 16.1 mm Total weight : 50 g LED : White