Master of G Emergency Colours

Emergency Colours for a Distinctive Impact

The G-SHOCK Master of G series introduces bold emergency colour accents to enhance visibility and style. Built with a rugged black case, these watches are designed to perform in extreme conditions, both on land and in the air. Inspired by rescue missions, the GRAVITYMASTER, MUDMASTER, and MUDMAN models deliver unmatched reliability and functionality.

FEATURES

Emergency colors accenting a black watch face

Inspired by the vital colours used by rescue teams, the G-SHOCK Master of G series features bold red, orange, and yellow accents against a powerful black design. These vivid colours not only enhance readability in critical moments but also add a striking contrast, ensuring your watch stands out with a professional, rugged look.

*Image shows the GRB300EC-1A.

Cutting-edge design imbued with functional beauty

Experience the perfect blend of style and durability with the GRAVITYMASTER GRB300EC. Built with our advanced Carbon Core Guard structure, this watch is engineered to withstand the toughest conditions while maintaining a sleek, refined appearance that suits any adventure.

*Second image shows the GRB300-1A.

MUDMASTER GWGB1000EC: High-strength, high-performance design

Featuring a structure offering resistance to dust, mud, vibration, and shock, the watch incorporates solar-powered timekeeping with Bluetooth® and radio control, Triple Sensor technology, and more. The powerful design ensuring durability and a comfortable fit employs inventive combinations of materials including carbon fibre-reinforced resin*1 and forged metals. Use the Location Indicator feature to see the direction of a specified target destination pointed out with an indicator hand on the watch.

*1 Due to the characteristics of carbon fibre-reinforced resin, the pattern and colour tone that appears on the surface will vary model by model.

*Second image shows the GWGB1000-1A.

Digital Compass

60-second continuous direction measurement. Includes auto horizontal compensation.

Barometer

Sudden atmospheric pressure change alarm.

Altimeter

Altitude measurement interval 1 sec.*
Measurement unit 1 m.

*Takes measurements every second for the first 3 minutes and every 5 seconds or 2 minutes thereafter (selectable).

Thermometer

Measures the temperature at the current location.*

*When measuring the ambient temperature, be sure the watch is removed from the wrist to avoid interference from body temperature, perspiration (water droplets), direct sunlight, and other external factors.

MUDMAN GW9500MEC: Duplex LCD

While providing resistance to dust, mud, and shock with its structure, this watch also incorporates radio-controlled, solar-powered functionality. The digital compass display with improved readability employs a duplex LCD for greater practical utility. Stainless steel is used for the bezel components, with black IP completing the look with an intrepid appearance.

*Second image shows the GW9500-3.

DETAILS

Carbon Core Guard structure, both strong and light

A carbon fibre-reinforced resin case*1 protects the module, making the most of the high degree of strength and outstanding durability delivered by the carbon material to achieve a size ensuring a comfortable fit.

*1 Due to the characteristics of carbon fibre-reinforced resin, the pattern and coloUr tone that appears on the surface will vary model by model.

*Image shows the GRB300EC-1A.

Mud-resistant structure to withstand use in the harshest conditions

GWGB1000EC and GW9500MEC

The buttons are protected by cylindrical stainless-steel parts, and the button shafts are equipped with gasket fittings to prevent contamination with mud and dust. The GWGB1000EC features a crown with a screw-lock construction to ensure a water-tight seal.

*Image shows the GWGB10001A.

Triple Sensor (digital compass, barometer/altimeter, and thermometer) senses natural changes

GWGB1000EC and GW9500MEC

*Image shows the GW9500MEC.

Attention to materials: Bio-based resin

Key resin components used in the case, bezel, band, and more are made with bio-based resin. Produced using renewable organic resources, the material is expected to help reduce environmental impact.

*Image is included for illustrative purposes only.

Solar-powered timekeeping with Bluetooth® connectivity and/or radio control for enhanced accuracy and reliability

GRB300EC: Bluetooth®
GWGB1000EC: Bluetooth® and Multiband 6 radio control
GW9500MEC: Multiband 6 radio control

*Image shows the GRB300EC.

Super Illuminator (high-brightness LED light) for maintaining watch readability in the dark

GRB300EC: Dial
GWGB1000EC: Dial and LCD (Full-auto light)
GW9500MEC: LCD (Full-auto light)

*Image shows the GWGB1000EC.

Scratch-resistant, highly transparent sapphire crystal with an anti-reflective coating

GWGB1000EC