MASTER OF G – AIR,GRAVITYMASTER GRB300-1A4

Enter the nighttime cockpit and grab the yoke with the orange G-SHOCK GRAVITYMASTER GRB300-1A4 pilot watch. Tough airplane watch with superb flight performance.

Basic Information

Case size (L× W× H)

59 × 54.7 × 15.7 mm

Weight

71 g

Case and bezel material

Bio-based Carbon / Bio-based resin

Band

Bio-based resin band

Construction

Shock Resistant
Carbon Core Guard structure

Water resistance

200-meter water resistance

Time adjustment

Bluetooth: Connects to a smartphone and automatically adjusts the time

Power supply and battery life

Tough Solar (Solar powered)

Smartphone Link/App Connectivity Features

Smartphone Link feature

Mobile link (Wireless linking using Bluetooth®)

Apps

CASIO WATCHES

App connectivity feature

Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Flight log
Phone finder

Exterior

Glass

Mineral Glass

Crown

Screw Lock Crown

Compatible band size

145 to 215 mm

Other

Neobrite

Watch Features

World time

Dual time (Home City time swapping)

Stopwatch

1-second stopwatchMeasuring capacity: 23:59’59.Measuring modes: Elapsed time, split time

Timer

Countdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)

Alarm/hourly time signal

Daily alarm

Light

LED light (Super Illuminator)Afterglow

Light color

LED:White

Calendar

Full auto-calendar (to year 2099)

Energy saving feature

Power Saving (hands stop to save power when the watch is left in the dark)

Battery display/alert

Battery level indicator

Run time

Approx. battery operating time:5 months on rechargeable battery (operation period with normal use without exposure to light after charge)18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Accuracy

Accuracy: ±15 seconds per month (with no mobile link function)

Other features

Date display
Day indicator
Regular timekeeping:Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (dual time hour and minute, dual time 24-hour, day)