Casio has launched three G-Shock Master of G Mudmaster GG-B100X watches in the UK. The models are the GG-B100X-1A, GG-B100X-1A3, and GG-B100X-1A9. These watches are part of a five-version GG-B100X series that was announced in February 2025.
Design and Durability
The Mudmaster series is made for professionals working in extreme conditions, including rescue teams and rangers. The watches have a carbon fiber-reinforced resin case that protects against impact while staying lightweight. The bezel uses three layers of fine resin with carbon fiber inserts. Sealed buttons and mud filters keep out dust and mud. The case back is stainless steel, and the back cover uses impact-resistant glass-fiber-reinforced resin.
The design takes inspiration from jerrycans mounted on off-road vehicles. Key components of the case and strap use bio-based resin made from renewable organic resources.
Technical Features
The watches include a quad sensor system with a digital compass, altimeter/barometer, thermometer, and pedometer. This setup monitors environmental changes and tracks activity patterns during land missions.
Bluetooth connects the watch to smartphones for automatic time setting through the G-SHOCK app. The Mission Log function automatically records altitude data from the watch and route data from your smartphone. The Super Illuminator feature provides automatic double LED lighting for visibility in the dark.
The GG-B100XM-1A variant has a silver-tone stainless steel bezel with a brushed finish that resists scratches and reduces light reflections.
Pricing and Availability
The three models are available now at Casio’s UK online store for £349 each. In EU countries, the GG-B100X-1A and GG-B100X-1A3 will retail between €399 and €419. Two other models, the GG-B100XM-1A and GG-B100XMB-1A, are listed as coming soon in the UK.
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(via: Notebookcheck)
