Time AdjustmentAutomatic time adjustment via Bluetooth smartphone connection Power Sourceandamp;amp; Battery LifeDedicated charging cable system (requires a USB Type-A device)Solar powered Sensor FeaturesMulti-sport tracking (running, walking, and other activities)Distance, speed, pace, and activity data calculation using an accelerometerAuto and manual lap functionsAuto pause functionCardio load status analysisActivity log data (up to 100 runs with up to 200 laps each)Wrist heart rate measurement (30–220 bpm)Target heart rate settingsHeart rate zone display and graphMaximum and minimum heart rate trackingSleep tracking and recovery monitoringSleep score display (1–100)Autonomic nervous system (ANS) monitoringBlood oxygen level measurementBreathing exercises with biofeedback support3-axis accelerometer step counterActive time measurementLife log dataStep reminder Smartphone ConnectivityMobile Link (automatic connection via Bluetooth)CASIO WATCHES app supportAutomatic time adjustmentEasy watch settingApproximately 300 world time citiesNotifications for incoming calls, emails, social media updates, calendar alerts, and remindersWorkout analysis dataActivity historyLife log dataGPS-based distance correction via smartphoneSleep analysis dataTide graph settings (approximately 3,300 global locations)Phone finder World Time38 time zones (38 cities + UTC)Daylight Saving Time (DST) on/offAutomatic DST switchingUpdatable when connected to a smartphone Moon DataMoon calendarMoon phase data Tide Graph3-level tide graph display50 preset global locationsHigh tide time adjustmentUpdatable via smartphone connection Sunrise / Sunset DisplaySunrise and sunset times displaySunrise and sunset times for a selected date Stopwatch1-second stopwatchMeasuring capacity: 99 hours, 59 minutes, 59 secondsElapsed time and split time measurement Countdown Timer1-second measuring unitCountdown range up to 60 minutesCountdown start time setting from 1 second to 60 minutes Alarm4 daily alarms with snooze functionSmart alarm with snooze function IlluminationLED backlight (Super Illuminator)Full auto LED lightSelectable illumination duration (1.5 or 5 seconds)AfterglowWhite LED light CalendarFull auto-calendar to year 2099 Sound SettingsButton operation tone on/off Power SavingDisplay turns off in the dark to conserve power Battery IndicatorBattery level indicator Battery Operating TimeUp to approximately 35 hours with heart rate functions enabledApproximately 1 month in watch mode with heart rate measurement disabledApproximately 11 months with power saving mode enabledBattery life may vary depending on usage conditions and is based on a full charge without solar charging Accuracy±15 seconds per month (without Mobile Link) Other FeaturesFlight modeVibration motor12/24-hour formatHour, minute, second, AM/PM, month, date, and day displayVibration on/off setting NoteThe blood oxygen level measurement function is not intended for medical diagnosis and is designed for general wellness purposes only. Date Strap Fixed Time AdjustmentAutomatic time adjustment via Bluetooth smartphone connection Power Sourceandamp;amp; Battery LifeDedicated charging cable system (requires a USB Type-A device)Solar powered Sensor FeaturesMulti-sport tracking (running, walking, and other activities)Distance, speed, pace, and activity data calculation using an accelerometerAuto and manual lap functionsAuto pause functionCardio load status analysisActivity log data (up to 100 runs with up to 200 laps each)Wrist heart rate measurement (30–220 bpm)Target heart rate settingsHeart rate zone display and graphMaximum and minimum heart rate trackingSleep tracking and recovery monitoringSleep score display (1–100)Autonomic nervous system (ANS) monitoringBlood oxygen level measurementBreathing exercises with biofeedback support3-axis accelerometer step counterActive time measurementLife log dataStep reminder Smartphone ConnectivityMobile Link (automatic connection via Bluetooth)CASIO WATCHES app supportAutomatic time adjustmentEasy watch settingApproximately 300 world time citiesNotifications for incoming calls, emails, social media updates, calendar alerts, and remindersWorkout analysis dataActivity historyLife log dataGPS-based distance correction via smartphoneSleep analysis dataTide graph settings (approximately 3,300 global locations)Phone finder World Time38 time zones (38 cities + UTC)Daylight Saving Time (DST) on/offAutomatic DST switchingUpdatable when connected to a smartphone Moon DataMoon calendarMoon phase data Tide Graph3-level tide graph display50 preset global locationsHigh tide time adjustmentUpdatable via smartphone connection Sunrise / Sunset DisplaySunrise and sunset times displaySunrise and sunset times for a selected date Stopwatch1-second stopwatchMeasuring capacity: 99 hours, 59 minutes, 59 secondsElapsed time and split time measurement Countdown Timer1-second measuring unitCountdown range up to 60 minutesCountdown start time setting from 1 second to 60 minutes Alarm4 daily alarms with snooze functionSmart alarm with snooze function IlluminationLED backlight (Super Illuminator)Full auto LED lightSelectable illumination duration (1.5 or 5 seconds)AfterglowWhite LED light CalendarFull auto-calendar to year 2099 Sound SettingsButton operation tone on/off Power SavingDisplay turns off in the dark to conserve power Battery IndicatorBattery level indicator Battery Operating TimeUp to approximately 35 hours with heart rate functions enabledApproximately 1 month in watch mode with heart rate measurement disabledApproximately 11 months with power saving mode enabledBattery life may vary depending on usage conditions and is based on a full charge without solar charging Accuracy±15 seconds per month (without Mobile Link) Other FeaturesFlight modeVibration motor12/24-hour formatHour, minute, second, AM/PM, month, date, and day displayVibration on/off setting NoteThe blood oxygen level measurement function is not intended for medical diagnosis and is designed for general wellness purposes only.