ga-b2100mf-1aer g-shock classic watch

Basic InformationCase Dimensions (H x W x D)icon-question48.5 u00d7 45.4 u00d7 11.9 mmWeighticon-question52 gCase and Bezel Materialcarbon/Bio-based ResinBandBio-based Resin BandConstructionShock ResistantCarbon Core Guard ConstructionWater ResistanceWater Resistant to 20 barPower Supply and Battery LifeTough Solar (Solar Powered)Smartphone and App Connection FunctionSmartphone Connection FunctionMobile Link (Wireless Connection via Bluetooth®)AppsCASIO WATCHESApp Connection FunctionAutomatic Time AdjustmentEasy Watch SettingWorld Time for Approximately 300 CitiesTime and LocationReminderFind PhoneExteriorGlassMineral GlassAdjustable Band145 to 215 mmMiscellaneousNeobriteWatch FeaturesWorld TimeTime International 38 time zones (38 cities + Coordinated Universal Time), city code display, city name display, daylight saving time on/off, automatic daylight saving time (DST) switching, Home/World Time city switching Stopwatch 1/100-second stopwatch Measuring range: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring mode: Elapsed time, split/lap time Timer Countdown timer Measuring unit: 1 second Countdown interval: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments) Audible reminder / Beep Time5 daily audible remindersHourly time signalLightDual LED lightLED light for the dial (Super Illuminator, selectable illumination duration (1.5 seconds or 3 seconds), luminescence)LED backlight for the digital display (Super Illuminator, selectable illumination duration (1.5 seconds or 3 seconds), luminescence)Light colorLED: whiteCalendarFull automatic calendar (up to the year 2099)Volume muteButton press tone on/offPower saving functionPower saving (display turns off to save power when the watch is left in the dark)Battery status display/warningBattery level indicatorRunning timingApproximate battery operating time:7 months with rechargeable battery (operating time for normal use without exposure to light after charging)18 months with rechargeable battery (operating time when stored in total darkness with the power saving function activated after a full charge)AccuracyAccuracy: u00b115 seconds per month (without Mobile Link function)Other featuresHand shift function (the hands move so as not to block the display of the digital display contents).Date/month display switchingDay display (days of the week selectable in six languages)Regular time display:Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode)Digital: hour, minute, second, pm, month, date, day of the month