Case / bezel material: Resin    Resin Band    100-meter water resistance    Approx. battery life: 10 years on CR2025    Resin Glass    World time    Dual time    Stopwatch    1/100-second stopwatch    Measuring capacity: 23:59'59.99''    Measuring mode: Elapsed time, split time, 1st-2nd place times    Others: Target time alarm, auto start    Timer    Countdown timer    Measuring unit: 1/10 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)    Others: Auto-repeat, progress beeper on/off    Alarm/hourly time signal    Daily alarm    Hourly time signal    Light    LED backlight    Afterglow    Light color    LED:Amber    Calendar    Full auto-calendar (to year 2099)    Accuracy: ±30 seconds per month    12/24-hour format    Regular timekeeping:    Hour, minute, second, pm, month, date, day    Case size (L× W× H) : 51.9 × 45.7 × 14 mm    Weight : 48 g