<p><span>Overview</span></p> <p>Case size (L× W× H) icon-question 51.4 × 46.8 × 15.5 mm Weight icon-question 60 g Case and bezel material Resin Band Resin Band Construction Shock Resistant Water resistance 200-meter water resistance Power supply and battery life Approx. battery life: 10 years on CR2025 Exterior Glass Mineral Glass Compatible band size 145 to 205 mm Watch Features World time World time 29 time zones (48 cities), daylight saving on/off Stopwatch 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm) Hourly time signal Light LED light (Super Illuminator) Selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light color LED:White Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Accuracy Accuracy: ±15 seconds per month Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, date, day</p>