Case / bezel material: Resin Resin Band Resin Glass 100-meter water resistance 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 Other: 5-second countdown auto start 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 Hourly time signal Vibe alert (daily alarm, hourly time signal, countdown timer time up, stopwatch auto start countdown) 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 / Total Weight : Size of case : 51.4x47.1x16.1mm Total weight : 50g
