CASIO Watches G-SQUAD GBD-H1000 Series Red Watch GBD-H1000-4PR Information: Case size (L× W× H) 54.6 × 55 × 20.4 mm Weight 101 g Case and bezel material Resin / Stainless steel Band Resin Band Construction Shock Resistant Water resistance 200-meter water resistance Time adjustment GPS signal reception: Auto receive (with no mobile link function, time information, once/day); Manual receive (position information, time information) Power supply and battery life Charging system compatible with dedicated cable (requires device with Type-A USB terminal) Solar powered Sensor feature Training Function Display of distance, speed, pace, and other calculated values based on GPS or accelerometer data, auto/manual lap times, Auto Pause, Auto Run Timing Start, target alert setting (time, altitude, calories burned) on/off, training display customization (elapsed time, distance, pace, lap time, lap distance, lap pace, average pace, speed, average speed, calories burned, heart rate, average heart rate, road grade, elevation, cumulative ascent, cumulative descent, ascent pace, descent pace) Altimeter Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.) Measuring unit: 1 m (5 ft.) *Changeover between meters (m) and feet (ft) Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg) Atmospheric pressure tendency graph Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure) *Changeover between hPa and inHg Digital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359° Measuring unit: 1° 60 seconds continuous measurement Bidirectional calibration and magnetic declination correction Graphical display of north Auto horizontal compensation Wrist heart rate measurement (maximum measurement value: 220 bpm) Heart rate, target heart rate setting, heart rate zone graphic indication, heart rate graph, maximum heart rate, minimum heart rate Thermometer Display range: -10 to 60°C (14 to 140°F) Display unit: 0.1°C (0.2°F) *Changeover between Celsius (°C) and Fahrenheit (°F) Smartphone Link feature Mobile link (Wireless linking using Bluetooth ) Apps G-SHOCK MOVE Glass Mineral Glass World time World time 38 time zones* (38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching *May be updated when connected to a smartphone. Stopwatch 1-second stopwatch Measuring capacity: 99:59'59'' Measuring modes: Elapsed time, split time Timer Countdown timer Timer for interval measurement (up to five time settings) Measuring unit: 1 second Input range: 00'00'' to 60'00'' (1-second increments) Others: Auto-repeat (number of repeats settable from 1 to 20) Alarm/hourly time signal 4 daily alarms with snooze Light LED backlight (Super Illuminator) Full auto LED light, 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 Energy saving feature Power Saving (display goes blank to save power when the watch is left in the dark) Battery display/alert Battery level indicator Run time Approx. battery operating time on after full charge: With training function (GPS, heart rate) use LONG (Intermittent reception): Approx. 18 hours NORMAL (Continuous reception): Approx. 14 hours Without training function (GPS, heart rate) use Approx. 12 months without the power-saving function* Approx. 34 months with the power-saving function* *Power-saving after a certain period in a dark location Accuracy Accuracy: ±15 seconds per month (with no GPS signal reception and mobile link function) Other features 12/24-hour format Flight mode Regular timekeeping: Hour, minute, second, am/pm, month, date, day User profile creation Vibration on/off Vibrator Sensor feature details Life Log Data Daily data display (step count), Monthly data display (running distance) Training Analysis Training status, fitness level trend, training load trend, VO2MAX, recovery time Training Data (Up to 100 runs, up to 140 lap times per run) Elapsed time, distance, pace, calories burned, heart rate, maximum heart rate, aerobic training effect, anaerobic training effect