Bold style, practical functionality — A heavy-duty timepiece with large easy-read, easy-use LCD screen and big, bold case. Easily access the LED light from a button on front of the case for even easier use. With 100-meter water resistance and 10-year battery life, you won’t have to worry about this watch for ages. Equipped with dual time, stopwatch, timer, alarm, and more, these watches keep you on track all day long, from sports and recreation to work and virtually everything in between. Basic Information Case size (L× W× H)54.1 × 49.7 × 15.9 mm Weight52 g Case and bezel materialResin BandResin Band Water resistance100-meter water resistance Exterior GlassResin Glass Compatible band size145 to 215mm Watch Features World timeDual time Stopwatch1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place times TimerCountdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)Other: Auto-repeat Alarm/hourly time signalHourly time signal5 multi-function alarms (with 1 snooze alarm) LightLED backlightAfterglow Light colourLED:Amber CalendarFull auto-calendar (to year 2099) AccuracyAccuracy: ±30 seconds per month Other features12/24-hour formatRegular timekeeping: