Simplicity defined — a streamlined digital watch with large display to clearly show the time at a glance. Comes equipped with 100-meter water resistance, a 10-year battery, LED backlight, and other handy functions. • 10-year battery life • 100-meter water resistance • LED backlight • Dual time Basic Information Case size (L× W× H)44.2 × 36.8 × 13.4 mmWeight91 gCase and bezel materialResinBandStainless Steel BandTriple-fold ClaspWater resistance100-meter water resistancePower supply and battery lifeApprox. battery life: 10 years on CR2025ExteriorGlassResin GlassCompatible band size150 to 205 mmWatch FeaturesWorld timeDual timeStopwatch1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring mode: split timeAlarm/hourly time signalHourly time signalMulti-function alarm (with 1 snooze alarm)LightLED backlightAfterglowLight colourLED:GreenCalendarFull auto-calendar (to year 2099)AccuracyAccuracy: ±30 seconds per monthOther features12/24-hour formatRegular timekeeping:Hour, minute, second, pm, year, month, date, day