Time AdjustmentBluetooth: Automatically adjusts the time by connecting to a smartphone Power Supplyandamp;amp; Battery LifeSpecial cable compatible charging system(Requires a device with Type-A USB terminal)Solar powered Sensor Features Activity TrackingMultiple sports modes (running, walking, etc.)Distance, speed, and pace calculation using accelerometerAutomatic / manual lap functionAuto pause function Workout AnalysisCardio load status analysis Activity Log DataUp to 100 running recordsUp to 200 laps per recordRecorded data includes:Elapsed timeDistancePaceRunning indexCalories burnedEnergy source usedHeart rateMaximum heart rateCardio loadIncline / maximum inclineStep count Wrist Heart Rate Measurement (30–220 bpm)Heart rateTarget heart rate settingHeart rate zone indicatorHeart rate graphMaximum heart rateMinimum heart rate Sleep MeasurementSleep recovery status (6 levels)Sleep recovery stage displaySleep condition (5 levels)Sleep score range (1–100, unit: 1)Autonomic nervous system status (5 levels)ANS score range (-10 to +10, unit: 0.1) Blood Oxygen Level Measurement* Breathing ExerciseSetting range (2–20 minutes in 1-minute increments)BiofeedbackZone-specific time summary Step Count Measurement3-axis accelerometerStep count display range (0–99,999 steps)Auto reset at midnight every day Active Time MeasurementMeasures movement time using a proprietary algorithm based on activity analysis (walking, running, cycling, etc.) Life LogStep countStep count graph (week, month, 6 months)Calorie burn measurementActive time measurement Step Reminder Smartphone Link FeaturesMobile Link (automatic connection via Bluetooth wireless technology) ApplicationsCASIO WATCHES App Connectivity FeaturesAutomatic time adjustmentEasy watch settingsApprox. 300 world time citiesNotification function (incoming calls, emails, social media posts, calendar notifications, reminders)Training analysis dataActivity historyLife log dataDistance correction using smartphone GPSSleep analysis dataPhone finder World Time38 time zones* (38 cities + UTC), daylight saving time on/off, automatic DST switching*Can be updated when connected to a smartphone Moon DataMoon data (moon age and phase) Sunrise/Sunset DisplaySunrise and sunset time displaySunrise and sunset time for a specific date Stopwatch1-second stopwatchMeasuring capacity: 99:59'59''Measurement modes: Elapsed time, split time TimerCountdown timerMeasurement unit: 1 secondCountdown range: 60 minutesCountdown start setting range: 1 second to 60 minutes Alarm/Hourly Time Signal4 daily alarms with snooze functionSmart alarm (with snooze) Light FeaturesLED backlight (Super Illuminator)Full auto LED lightSelectable illumination duration (1.5 seconds or 5 seconds)AfterglowLED color: White CalendarFull auto-calendar (until year 2099) Mute FeatureButton operation tone on/off Power Saving FeatureDisplay turns off when left in the dark to save power Battery FeaturesBattery level indicator Operating TimeWhen using activity functions (heart rate): approx. 35 hours maxWhen heart rate measurement is OFF (watch mode): approx. 1 monthWhen power saving is ON: approx. 11 months*Varies depending on usage environment; full charge without solar exposure Accuracy±15 seconds per month (without Mobile Link function) Other FeaturesFlight modeVibration motor12/24-hour formatVibration on/off Regular timekeeping:Hour, minute, second, am/pm, month, date, day Sensor Feature NotesBlood oxygen level measurement is not intended for medical diagnosis. It is for general wellness purposes only. Date Strap Fixed Time AdjustmentBluetooth: Automatically adjusts the time by connecting to a smartphone Power Supplyandamp;amp; Battery LifeSpecial cable compatible charging system(Requires a device with Type-A USB terminal)Solar powered Sensor Features Activity TrackingMultiple sports modes (running, walking, etc.)Distance, speed, and pace calculation using accelerometerAutomatic / manual lap functionAuto pause function Workout AnalysisCardio load status analysis Activity Log DataUp to 100 running recordsUp to 200 laps per recordRecorded data includes:Elapsed timeDistancePaceRunning indexCalories burnedEnergy source usedHeart rateMaximum heart rateCardio loadIncline / maximum inclineStep count Wrist Heart Rate Measurement (30–220 bpm)Heart rateTarget heart rate settingHeart rate zone indicatorHeart rate graphMaximum heart rateMinimum heart rate Sleep MeasurementSleep recovery status (6 levels)Sleep recovery stage displaySleep condition (5 levels)Sleep score range (1–100, unit: 1)Autonomic nervous system status (5 levels)ANS score range (-10 to +10, unit: 0.1) Blood Oxygen Level Measurement* Breathing ExerciseSetting range (2–20 minutes in 1-minute increments)BiofeedbackZone-specific time summary Step Count Measurement3-axis accelerometerStep count display range (0–99,999 steps)Auto reset at midnight every day Active Time MeasurementMeasures movement time using a proprietary algorithm based on activity analysis (walking, running, cycling, etc.) Life LogStep countStep count graph (week, month, 6 months)Calorie burn measurementActive time measurement Step Reminder Smartphone Link FeaturesMobile Link (automatic connection via Bluetooth wireless technology) ApplicationsCASIO WATCHES App Connectivity FeaturesAutomatic time adjustmentEasy watch settingsApprox. 300 world time citiesNotification function (incoming calls, emails, social media posts, calendar notifications, reminders)Training analysis dataActivity historyLife log dataDistance correction using smartphone GPSSleep analysis dataPhone finder World Time38 time zones* (38 cities + UTC), daylight saving time on/off, automatic DST switching*Can be updated when connected to a smartphone Moon DataMoon data (moon age and phase) Sunrise/Sunset DisplaySunrise and sunset time displaySunrise and sunset time for a specific date Stopwatch1-second stopwatchMeasuring capacity: 99:59'59''Measurement modes: Elapsed time, split time TimerCountdown timerMeasurement unit: 1 secondCountdown range: 60 minutesCountdown start setting range: 1 second to 60 minutes Alarm/Hourly Time Signal4 daily alarms with snooze functionSmart alarm (with snooze) Light FeaturesLED backlight (Super Illuminator)Full auto LED lightSelectable illumination duration (1.5 seconds or 5 seconds)AfterglowLED color: White CalendarFull auto-calendar (until year 2099) Mute FeatureButton operation tone on/off Power Saving FeatureDisplay turns off when left in the dark to save power Battery FeaturesBattery level indicator Operating TimeWhen using activity functions (heart rate): approx. 35 hours maxWhen heart rate measurement is OFF (watch mode): approx. 1 monthWhen power saving is ON: approx. 11 months*Varies depending on usage environment; full charge without solar exposure Accuracy±15 seconds per month (without Mobile Link function) Other FeaturesFlight modeVibration motor12/24-hour formatVibration on/off Regular timekeeping:Hour, minute, second, am/pm, month, date, day Sensor Feature NotesBlood oxygen level measurement is not intended for medical diagnosis. It is for general wellness purposes only.