Quartz, mineral glass, 55.4mm carbon case— 20-bar rated. Mix-dial smartwatch engineered for extreme terrain and urban command, with rugged resin strap.
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Master of G Collection • Ref. GG-B100X-1AER
Built to survive what others cannot, the G-Shock Mudmaster GG-B100X-1AER is the ultimate field companion. From muddy terrains and vibration-heavy environments to GPS-connected mission tracking, this smartwatch erases the boundary between analog toughness and digital intelligence. It is not just a watch — it is a tool engineered for those who push beyond limits.
Its imposing 55.4 x 51.3 mm carbon case commands the wrist with authority, while the black dial and mixed display deliver all the data you need at a single glance — whether you are navigating a trail or managing a high-stakes project in the field.
Reference: GG-B100X-1AER • Collection: Master of G
Why this watch stands apart
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● Carbon Core Guard Structure The case is constructed from high-strength carbon resin, making the Mudmaster exceptionally light for its size while absorbing shocks and vibrations that would damage conventional watches. Mud resistance is built into the very architecture of the case — twin sensors are fully sealed against debris ingress. |
● Bluetooth Smartwatch Functions Connected to the G-Shock Move app via Bluetooth, the GG-B100X delivers GPS location logging, step tracking, and automatic time synchronisation. Stay on course and on schedule, no matter how remote your destination. The multifunction display puts mission-critical data where you need it. |
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● 20-Bar Water Resistance Rated to 20 bar (200 m), this watch shrugs off rain, river crossings, and sea spray with complete indifference. Whether you are caught in a downpour or diving into a mountain lake, the Mudmaster maintains full functionality without missing a beat. |
● Altitude & Direction Sensors An integrated compass and altimeter turn this watch into a genuine navigation instrument. Know your heading, track your ascent, and read weather trends via the barometer — all from your wrist. This is the kind of functionality that once required three separate devices. |
Design built for the extreme
The all-black aesthetic is not just a style choice — it is a statement of intent. Every curve, every resin layer, every textured surface of the 16 mm strap has been designed to grip, absorb, and endure. The mixed dial combines analog hands with a digital display window, giving the Mudmaster its unmistakable, mission-ready face that G-Shock collectors recognise instantly.
The mineral glass is treated for scratch resistance and optimal legibility in harsh outdoor light. Bold, functional, and unapologetically over-engineered — this is what the Master of G collection was born to be.
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A grail piece for the serious G-Shock collector
The Master of G line is the pinnacle of G-Shock engineering, and the Mudmaster is its most iconic chapter. Each reference in the GG-B100 series is sought after by collectors worldwide for its unique combination of raw capability and technological ambition. The GG-B100X-1AER, with its all-black carbon execution, is among the most striking in the collection.
From an economic perspective, quartz precision requires virtually no servicing, the resin construction is impervious to corrosion, and the Bluetooth connectivity future-proofs the watch with firmware updates via the app. This is a watch that delivers maximum functionality at a fraction of the cost of comparable smartwatch competitors — with the added credibility of the G-Shock legacy behind it.
Master of G Collection — G-Shock Since 1983
Whether you are drawn to the GG-B100X-1AER for its field-ready capabilities, its bold collector’s appeal, or simply because you want the toughest smartwatch on the market, this watch delivers without compromise. It is engineered to go further, last longer, and do more — a true Master of G for those who demand nothing less.
G-Shock GG-B100X-1AER• Master of G Mudmaster • Smartwatch Quartz • Carbon Case • Mineral Glass • 20 Bar • 55.4 x 51.3 mm • Black Dial
Ref. GG-B100X-1AER
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