Casio confirmed the expansion of its portfolio of high-resistance equipment with the official launch of the new models in the Mudmaster series, members of the renowned Master of G family. The devices, identified by the nomenclature GG-B100X, arrive on the market with a clear proposal to serve professionals who operate in hostile environments, such as search and rescue teams, forest rangers and adventure sports practitioners in rough terrain. The commercial debut was initially held on Reino Unido, marking the beginning of a distribution schedule that should reach other global regions in the coming weeks.
The central difference of this launch lies in the materials engineering applied to the construction of the watch. The Japanese manufacturer implemented a new case architecture that uses carbon fiber, a material known for its high strength-to-lightness ratio. The objective is to offer structural rigidity capable of withstanding severe impacts without suffering deformation, maintaining the integrity of the internal components.

In addition to physical robustness, the functional design prioritizes hermetic sealing, a signature of the Mudmaster line. The system prevents the entry of fine particles, such as dust and mud, which could compromise the mechanism in tactical operation scenarios. Para To reinforce this protection, the control buttons were equipped with specific filters, guaranteeing operability even when the equipment is covered by debris.
Innovations in sensors and digital integration
The environmental monitoring capacity received special attention with the implementation of the Quad Sensor system. Este instrument cluster turns the watch into a standalone navigation tool, essential for remote areas where the GPS signal may be intermittent or non-existent. The onboard module includes a digital compass for orientation, an altimeter for measuring elevation and a barometer that helps predict sudden weather changes by reading atmospheric pressure.
Complementing the navigation functions, the device has a digital thermometer and an integrated pedometer. Step counting, combined with altitude data, allows more precise control of the physical effort performed during long journeys, providing vital data for the user’s energy management on critical missions.
Connectivity via Bluetooth expands hardware functionality through synchronization with smartphones. The brand’s proprietary application enables the Mission Log function, which crosses the altitude information collected by the watch with the cell phone’s GPS. The result is a detailed mapping of the route taken, facilitating post-operational analysis and planning for future incursions.
A relevant update in module 5744 concerns the location indicator. The system has been improved to allow the configuration of any geographic point of interest via the application, overcoming the limitation of recording only the current position. The second hand now acts as a compass directed to that specific point, while the digital display informs the remaining distance, optimizing orientation in real time.
Utilitarian design and environmental commitment
The aesthetics of the new models are inspired by off-road equipment, such as metallic fuel tanks attached to expedition vehicles. The robust finish is complemented by a stainless steel back cover and the use of fiberglass-reinforced resin, balancing durability and comfort on the wrist.
Sustainability is also integral to the manufacturing process of the new series. Componentes case key and bracelet are produced with bio-based resin, derived from renewable organic resources. The initiative aims to reduce the carbon footprint of industrial production without sacrificing the mechanical strength required by the rigorous standards of the G-Shock line.
To meet different usage profiles and camouflage needs, the line presents different chromatic variations. The GG-B100X-1A model offers a sober black strap, suitable for mixed use. The GG-B100X-1A3 version adopts shades of green for dense vegetation environments, while the GG-B100X-1A9 uses orange, focused on the high visibility necessary for emergency operations.
Prices and availability on the international market
In the British commercial scene, the collection’s entry-level models were priced at 349 pounds in the official store. In a direct conversion to Brazilian currency, without considering the incidence of import taxes and customs fees, the value is approximately R$2,435. In the Euro zone, prices vary between 399 and 419 euros, fluctuating according to the local taxation of each member country.
Variants with a superior finish, such as the GG-B100XM-1A and GG-B100XMB-1A models that incorporate a brushed stainless steel bezel, are expected to hit shelves soon. Embora the initial distribution focus is on the European continent, expansion to the Ásia and Américas markets must follow the brand’s global planning, with dates to be confirmed through official channels.
The equipment’s energy autonomy is ensured by a CR2025 battery, designed to offer a useful life of approximately two years under normal conditions of use. The Carbon Core Guard structure, combined with water resistance of up to 200 meters and the Super Illuminator lighting system with double LED, consolidates the model as a versatile tool for day and night operations in any weather condition.