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G-SHOCK Unveils New Master of G, GRAVITYMASTER Timepiece for Aviation Professionals


Three New Colorways Arrive in Tough Carbon Core Guard Structure and Unique, Large Button Design for Improved Ease of Use 

On September 3, Casio introduced an all-new model to its popular G-SHOCK Master of G collection of men’s tactical watches, Designed with aviation professionals in mind, the GRAVITYMASTER, GRB200 boasts three colorways with a unique Carbon Core Guard construction, carbon-infused resin bezels and resin bands in black (GRB200-1A), orange (GRB200-1A9) or blue (GRB200-1A2) to provide elevated strength and durability in lightweight cases.


The new GRB200 packs essential functions and all the accuracy and functionality required for flight. Its carbon core guard structure protects the module with a resin case reinforced with carbon fibers. In addition, the model features a brand new and unique button design with large buttons set at different angles and shapes arranged in a way to resemble a fighter jet control stick with powerful button guards to prevent operating errors while wearing gloves. 


The GRB200 has G-SHOCK’s most-premium features, including a Carbon-insert Bezel that’s engineered with a three-layer structure to provide the utmost strength and capability to withstand harsh conditions pilots handle on a daily basis.  The top layer is semi-transparent to reveal the carbon construction inside.


Packed with a number of technology features, the GRB200 offers tactical functions for all level of aviation enthusiasts.  When synced with a Bluetooth®-connected smartphone, via the G-SHOCK Connected App, the GRB200 offers a Mission Log function that records altitude points from the watch and GPS points from the phone. The Calorie Consumption Display calculates data from the step counter and takes altitude measurement into account. The Location Indicator records a current location on the app, and the watch acts as a backtracking device by pointing to the location with the second hand and showing the distance on the LCD display. The watch automatically adjusts the time through the Bluetooth connection and has a phone finder function. The menu mode on the LCD display is also customizable. All these features are accessible and easily viewed on the G-SHOCK Connected smartphone app.


The GRB200 arrives with updated features like automatic compass correction capabilities, two-year battery life, and Quad Sensor technology that includes a compass, thermometer, altimeter/barometer, and step tracker, making it easy and reliable for pilots to use under any situation.


  • 200M Water Resistance

  • Shock Resistance

  • Vibration Resistance

  • Carbon Core Guard Structure

  • Mobile Link (Wireless Linking Using Bluetooth®)

  • Quad Sensor (Altimeter/Barometer, Compass, Thermometer, Strep Tracker)

  • Double Super LED Lights

  • Neo-Brite Luminous Hands & Markers

  • World Time (38 Time Zones / 38 Cities + UTC)

  • Sunrise & Sunset Data

  • 1/100th Sec. Stopwatch (24Hr)

  • Countdown timer

  • 5 Multi-Function Alarms

  • 12/24 Hr. Time Formats

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