Introducing a new addition to the G-SHOCK Master of G collection: GRAVITYMASTER GR-B300, a professional aviation-inspired watch designed to perform even in the harshest environments.
The GR-B300 features a Carbon Core Guard structure that guarantees maximum resistance.
The carbon fiber-reinforced resin case and bezel design, inspired by next-generation aircraft, come together in a bold and powerful form.
See the world through the eyes of a pilot with the flight log memory function to record your location and current time, and with simultaneous display of the time in two time zones. Simply tap the app to instantly switch between your home time zone and local time, a convenient and useful feature when traveling abroad.
The large indices and the steel bezel increase the size of the dial, ensuring better visibility, essential for pilots, whose work requires quick and intuitive reading of the time.
The combination of black and white colors evokes the look of a cockpit instrument panel.
The main resin components used for the case, bezel and strap are made from bio-based resin, a material designed to help reduce environmental impact.
Case dimensions (H x W x D)
59 × 54.7 × 15.7 mm
Weight
71 g
Case and bezel material
Bio-based carbon/Bio-based resin
Strap
Bio-based resin strap
Structure
Shock resistant
Carbon Core Guard structure
Waterproof
Waterproof up to 20 bar
Adjustment time
Bluetooth: connects to a smartphone and automatically adjusts the time
Power and battery life
Tough Solar (solar powered)< /div>
Smartphone connection function
Mobile Link (wireless connection via Bluetooth®)
App
CASIO WATCHES
App connection function
Automatic clock adjustment
Easy clock setting
World time of approximately 300 cities
Log of flights
Find phone
Glass
Mineral glass
Crown
Crown with screw closure
Adjustable strap
From 145 to 215 mm
Various
Neobrite
World time
Stopwatch
1 second stopwatch
Measuring capacity: 23:59’59.
Measurement mode: elapsed time, split time
Timer
Countdown timer
Unit of measurement: 1 second
Countdown interval: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1 minute increments and 1 hour increments)
Audible Reminder / Time Signal
Audible Reminder daily
Light
LED light (Super Illuminator)
Luminescence
Light color
LED: White
Calendar
Full automatic calendar (up to the year 2099)
< h2>Energy saving function
Energy saving (hands stop to save energy when the watch is left in the dark)
Battery status display/alert
Battery level indicator
Ride timing
Approximate battery run time:
5 months with rechargeable battery (operation period for normal use without exposure to light after charging)
18 months with rechargeable battery (operating period when stored in total darkness with the energy saving function activated after a full charge)
Accuracy
Accuracy: ±15 seconds per month (without Mobile Link function)
Other features
Date display
Date
Regular timekeeping:
Analog: 3 hands (hour, minute (with hand moving every 10 seconds), second), 3 dials (second time hours and minutes, second time 24 hours, day)
GR-B300-1A
Case dimensions (H x W x D)
59 × 54.7 × 15.7 mm
Weight
71 g
Case and bezel material
Bio-based carbon/Bio-based resin
Strap
Bio-based resin strap
Structure
Shock resistant
Carbon Core Guard structure
Waterproof
Waterproof up to 20 bar
Adjustment time
Bluetooth: connects to a smartphone and automatically adjusts the time
Power and battery life
Tough Solar (solar powered)< /div>
Smartphone connection function
Mobile Link (wireless connection via Bluetooth®)
App
CASIO WATCHES
App connection function
Automatic clock adjustment
Easy clock setting
World time of approximately 300 cities
Log of flights
Find phone
Glass
Mineral glass
Crown
Crown with screw closure
Adjustable strap
From 145 to 215 mm
Various
Neobrite
World time
Stopwatch
1 second stopwatch
Measuring capacity: 23:59’59.
Measurement mode: elapsed time, split time
Timer
Countdown timer
Unit of measurement: 1 second
Countdown interval: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1 minute increments and 1 hour increments)
Audible Reminder / Time Signal
Audible Reminder daily
Light
LED light (Super Illuminator)
Luminescence
Light color
LED: White
Calendar
Full automatic calendar (up to the year 2099)
< h2>Energy saving function
Energy saving (hands stop to save energy when the watch is left in the dark)
Battery status display/alert
Battery level indicator
Ride timing
Approximate battery run time:
5 months with rechargeable battery (operation period for normal use without exposure to light after charging)
18 months with rechargeable battery (operating period when stored in total darkness with the energy saving function activated after a full charge)
Accuracy
Accuracy: ±15 seconds per month (without Mobile Link function)
Other features
Date display
Date
Regular timekeeping:
Analog: 3 hands (hour, minute (with hand moving every 10 seconds), second), 3 dials (second time hours and minutes, second time 24 hours, day)
GR-B300-1A
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