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| Pictured - two leaked images of the new variants from the upcoming Casio G-Shock GG-B100X line. |
The rumor mill for G-Shock enthusiasts is churning again, and this time it’s centered on the rugged Mudmaster line. Fresh leaks point to an upcoming model, tentatively dubbed the Casio GG‑B100X, which appears to be a strategic refresh of the existing Bluetooth-connected GG‑B100, focusing on materials and display clarity rather than a full redesign.
Based on detailed renders shared by the reliable leak account @geesgshock, the new watch retains the unmistakable, bulky silhouette that defines the Mudmaster’s tool-watch DNA. The analog-digital dial layout, twin sensors flanking the case, and overall button configuration look identical to the current model. This suggests Casio is refining a proven formula instead of starting from scratch.
A Closer Look at the Key Upgrades
The most significant changes seem to be in the watch’s materials and its digital display. The leaked images show the GG‑B100X sporting updated bezels, with at least one variant featuring a striking forged-carbon or carbon-composite finish. Another model appears to have a brushed metal guard, positioning this “X” line as a more premium offering within the Mudmaster family. This follows Casio’s successful playbook of using advanced materials to create higher-tier versions of popular models.
Perhaps the most user-focused improvement is to the LCD. Side-by-side comparisons suggest the new model will keep the same segmented information layout but shift to a darker, higher-contrast background with warmer-toned digits.
A clearer look at the potential display upgrade can be seen in this leaked render from @geesgshock.
The pixel structure in the leaks still resembles Casio’s classic negative LCD more than the finer, dot-matrix style of confirmed Memory-in-Pixel (MiP) displays found in models like the GW-BX5600. This indicates the upgrade is likely an evolutionary improvement to the traditional LCD stack, potentially for better sunlight visibility, rather than a transformative jump to a full MiP screen.
Model Lineup, Pricing, and Expected Features
The leak includes several model numbers—GG‑B100X‑1A, GG‑B100X‑1A3, GG‑B100X‑1A9, and GG‑B100XM‑1A—following the color-coding logic of the 2019 GG-B100 series. Pricing in the UK is rumored to see a modest increase, landing in the £350-£375 range (approximately $472-$506), reflecting the use of premium materials.
Functionally, the watch is expected to remain a capable quad-sensor Mudmaster, packing a compass, altimeter/barometer, thermometer, step counter, and Bluetooth connectivity for easy setup and data syncing via the G-Shock Connected app. This would keep it firmly positioned between the entry-level GG-1000 and the top-tier, solar-powered GWG-2000 in Casio’s off-road hierarchy.
Notably absent from the rumors are mentions of solar charging (Tough Solar), a feature many fans hope will eventually trickle down to this series. Official launch timing also remains unconfirmed.
The Bottom Line
Until Casio publishes an official product page, all these details should be treated as informed leaks, not confirmed specifications. However, the consistent information points to a compelling update for those who value legibility and premium materials. The GG‑B100X shaping up to be the definitive version of the Bluetooth Mudmaster, offering a sharper display and tougher bezels for those willing to pay a slight premium.
*In the market for a Mudmaster today? The current-generation Casio GG-1000 offers core Mud Resistance and triple-sensor functionality at a more accessible price point.*
Buy the Casio GG-1000-1A on Amazon.