Casio GWR-B3000-1AJF Quartz G-shock MASTER OF G - AIR GRAVITYMASTER solar radio stopwatch 2026.7 release
Casio GWR-B3000-1AJF Quartz G-shock MASTER OF G - AIR GRAVITYMASTER solar radio stopwatch 2026.7 release
Release Date: July 2026
Case Dimensions (H × W × D): 56.7 × 47.3 × 14.1 mm
Weight: 102 g
Case/Bezel Material: Carbon fiber reinforced resin (biomass plastic) / Stainless steel
Strap: Soft polyurethane strap (biomass resin)
Construction: Triple protection (shock-resistant structure, centrifugal force resistance, vibration-resistant structure); Carbon fiber core protection structure
Water Resistance: 200m water resistance
Time Calibration: Compatible with radio-controlled watches from Japan, North America, Europe, and China (six-band radio wave reception); Bluetooth automatic time calibration upon smartphone connection
Power/Battery Life: Solar charging (solar charging system)
Mobile Connectivity: Connects to compatible phones via Bluetooth
Compatible Apps: Compatible with "CASIO" and "WATCHES" apps
App Connectivity Features: Automatic time calibration, easy watch setup, world time (approximately 300 cities), flight log, phone finder
Crystal: Spherical/curved glass; Anti-reflective sapphire crystal
Crown: Screw-down crown
Strap Size Range: 145–215 mm
Other Features:
Luminous coating
World time: Displays 26 cities worldwide (38 time zones, with daylight saving time setting), local city switching function, UTC direct dialing function (time zones can be updated via smartphone connection)
Stopwatch: 1-second precision, 24-hour format
Timer: Setting unit: 1 minute, maximum setting time: 24 hours, increments of 1 second
Alarm: Time alarm
Illumination: LED illumination (high brightness with afterglow function); LED color: White
Calendar: Auto calendar
Automatic hand position correction function (with shock resistance)
Power saving function: Hands stop moving after a period of time in dark environments to conserve power
Battery level display/warning
Accuracy: If no standard radio waves are received or the watch is not connected to a smartphone, it operates with standard quartz watch accuracy (average monthly error ±15 seconds)
Date and day of the week display
Magnetic field detection function
Time Correction Details:
Radio wave reception function: Automatic reception (up to 6 times per day, up to 5 times per day for Chinese radio waves)
Receiving radio wave: JJY (40kHz/60kHz, compatible with Fukushima and Kyushu stations)
Receiving radio wave: WWVB (60kHz)
Receiving radio wave: MSF/DCF77 (60kHz/77.5kHz)
Receiving radio wave: BPC (68.5kHz)
When the local time is set to a time zone that can receive standard radio waves, the watch receives signals from the corresponding radio stations in that time zone
Supported cities (and corresponding radio waves): Tokyo / Japanese radio waves JJY40/JJY60; Los Angeles, Denver, Chicago, New York, Halifax / American radio wave WWVB; London, Paris, Athens / British radio wave MSF, German radio wave DCF77; Beijing / Chinese radio wave BPC
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Casio GWR-B3000-1AJF Quartz G-shock MASTER OF G - AIR GRAVITYMASTER solar radio stopwatch 2026.7 release
Release Date: July 2026
Case Dimensions (H × W × D): 56.7 × 47.3 × 14.1 mm
Weight: 102 g
Case/Bezel Material: Carbon fiber reinforced resin (biomass plastic) / Stainless steel
Strap: Soft polyurethane strap (biomass resin)
Construction: Triple protection (shock-resistant structure, centrifugal force resistance, vibration-resistant structure); Carbon fiber core protection structure
Water Resistance: 200m water resistance
Time Calibration: Compatible with radio-controlled watches from Japan, North America, Europe, and China (six-band radio wave reception); Bluetooth automatic time calibration upon smartphone connection
Power/Battery Life: Solar charging (solar charging system)
Mobile Connectivity: Connects to compatible phones via Bluetooth
Compatible Apps: Compatible with "CASIO" and "WATCHES" apps
App Connectivity Features: Automatic time calibration, easy watch setup, world time (approximately 300 cities), flight log, phone finder
Crystal: Spherical/curved glass; Anti-reflective sapphire crystal
Crown: Screw-down crown
Strap Size Range: 145–215 mm
Other Features:
Luminous coating
World time: Displays 26 cities worldwide (38 time zones, with daylight saving time setting), local city switching function, UTC direct dialing function (time zones can be updated via smartphone connection)
Stopwatch: 1-second precision, 24-hour format
Timer: Setting unit: 1 minute, maximum setting time: 24 hours, increments of 1 second
Alarm: Time alarm
Illumination: LED illumination (high brightness with afterglow function); LED color: White
Calendar: Auto calendar
Automatic hand position correction function (with shock resistance)
Power saving function: Hands stop moving after a period of time in dark environments to conserve power
Battery level display/warning
Accuracy: If no standard radio waves are received or the watch is not connected to a smartphone, it operates with standard quartz watch accuracy (average monthly error ±15 seconds)
Date and day of the week display
Magnetic field detection function
Time Correction Details:
Radio wave reception function: Automatic reception (up to 6 times per day, up to 5 times per day for Chinese radio waves)
Receiving radio wave: JJY (40kHz/60kHz, compatible with Fukushima and Kyushu stations)
Receiving radio wave: WWVB (60kHz)
Receiving radio wave: MSF/DCF77 (60kHz/77.5kHz)
Receiving radio wave: BPC (68.5kHz)
When the local time is set to a time zone that can receive standard radio waves, the watch receives signals from the corresponding radio stations in that time zone
Supported cities (and corresponding radio waves): Tokyo / Japanese radio waves JJY40/JJY60; Los Angeles, Denver, Chicago, New York, Halifax / American radio wave WWVB; London, Paris, Athens / British radio wave MSF, German radio wave DCF77; Beijing / Chinese radio wave BPC
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Release Date: July 2026
Case Dimensions (H × W × D): 56.7 × 47.3 × 14.1 mm
Weight: 102 g
Case/Bezel Material: Carbon fiber reinforced resin (biomass plastic) / Stainless steel
Strap: Soft polyurethane strap (biomass resin)
Construction: Triple protection (shock-resistant structure, centrifugal force resistance, vibration-resistant structure); Carbon fiber core protection structure
Water Resistance: 200m water resistance
Time Calibration: Compatible with radio-controlled watches from Japan, North America, Europe, and China (six-band radio wave reception); Bluetooth automatic time calibration upon smartphone connection
Power/Battery Life: Solar charging (solar charging system)
Mobile Connectivity: Connects to compatible phones via Bluetooth
Compatible Apps: Compatible with "CASIO" and "WATCHES" apps
App Connectivity Features: Automatic time calibration, easy watch setup, world time (approximately 300 cities), flight log, phone finder
Crystal: Spherical/curved glass; Anti-reflective sapphire crystal
Crown: Screw-down crown
Strap Size Range: 145–215 mm
Other Features:
Luminous coating
World time: Displays 26 cities worldwide (38 time zones, with daylight saving time setting), local city switching function, UTC direct dialing function (time zones can be updated via smartphone connection)
Stopwatch: 1-second precision, 24-hour format
Timer: Setting unit: 1 minute, maximum setting time: 24 hours, increments of 1 second
Alarm: Time alarm
Illumination: LED illumination (high brightness with afterglow function); LED color: White
Calendar: Auto calendar
Automatic hand position correction function (with shock resistance)
Power saving function: Hands stop moving after a period of time in dark environments to conserve power
Battery level display/warning
Accuracy: If no standard radio waves are received or the watch is not connected to a smartphone, it operates with standard quartz watch accuracy (average monthly error ±15 seconds)
Date and day of the week display
Magnetic field detection function
Time Correction Details:
Radio wave reception function: Automatic reception (up to 6 times per day, up to 5 times per day for Chinese radio waves)
Receiving radio wave: JJY (40kHz/60kHz, compatible with Fukushima and Kyushu stations)
Receiving radio wave: WWVB (60kHz)
Receiving radio wave: MSF/DCF77 (60kHz/77.5kHz)
Receiving radio wave: BPC (68.5kHz)
When the local time is set to a time zone that can receive standard radio waves, the watch receives signals from the corresponding radio stations in that time zone
Supported cities (and corresponding radio waves): Tokyo / Japanese radio waves JJY40/JJY60; Los Angeles, Denver, Chicago, New York, Halifax / American radio wave WWVB; London, Paris, Athens / British radio wave MSF, German radio wave DCF77; Beijing / Chinese radio wave BPC
