March 2026 has been a busy month for G-Shock. Three distinct releases hit the US market almost simultaneously — and between them, they cover every kind of G-Shock buyer, from the hardcore outdoor professional to someone who just wants the CasiOak to look a little sharper on the wrist.
Here’s what’s new and what it actually means.
Mudmaster GG-B100X: An Update Seven Years in the Making
The original GG-B100 Mudmaster launched in 2019 and barely changed in the years since — which is a testament to how well it was designed from the start. The new GG-B100X, released in the US on March 6, carries the same mud-proof, shock-resistant DNA but with two meaningful upgrades.
The first is structural. The GG-B100XM variants swap the carbon fiber front bezel piece for a forged stainless steel one — the GG-B100XM-1A in matte silver with a honed finish that minimizes light reflection, the GG-B100XMB-1A in black IP with mirror polishing. The three GG-B100X variants (in black, olive green band, and orange band) keep the carbon fiber bezel but are now made with bio-based resin for both the band and case construction.
The second upgrade is inside. Module 5744 replaces the old 5594 and brings a genuinely useful improvement to the Location Indicator — a feature that previously could only save your current location as a waypoint. The new module lets you set any destination point via the Casio Watches app, so you can actually navigate toward a target instead of just backtracking to where you started. It’s the kind of fix that sounds small until you’re deep in a field and need it.
The full Quad Sensor package remains: digital compass, altimeter and barometer, thermometer, and step counter. Bluetooth connectivity, mud-resistant button seals, 200m water resistance.
US pricing: GG-B100X models at $420, GG-B100XM-1A at $440, GG-B100XMB-1A at $460.
GA-2100CM: The CasiOak Goes Camo
The GA-2100 — the octagonal CasiOak — has been one of G-Shock’s most versatile platforms since it launched in 2019. Casio knows this, which is why they keep releasing new colorways and variations on it every year without changing what’s underneath.
The GA-2100CM-5A and , released in the US in March 2026 at $145 each, apply a metallic print camouflage to both the bezel and band. It’s not printed on top — Casio describes it specifically as a metallic print process, which gives the camo pattern a subtle shimmer rather than a flat matte texture. The result sits somewhere between tactical and fashion-forward.
Underneath, it’s the same Carbon Core Guard construction as every other GA-2100: thin, lightweight, shock-resistant, 200m water resistant. If you already know and like the CasiOak, this is just a very good-looking version of something you already trust.
Fine Metallic YRA Series: Red Becomes the Statement
Last year, G-Shock introduced the Fine Metallic Series — polished stainless steel bezels paired with Tough Silicone Bands that use a vapor deposition process to give them the look of a metal bracelet while keeping all the flexibility and lightness of silicone. The first volume covered the GM-5600 and GM-2100 in silver and gold. Volume 2, the YRA series, expands to four models: the GM-5600YRA-8, GM-6900YRA-8, GM-2100YRA-8, and GM-110YRA-8A.
All four share the same defining details — polished stainless steel bezels with hairline and mirror finishes, silver Tough Silicone Bands, and the standout feature: red-tinted LCD displays and red accents across the dial. It’s a sharp combination. The red display reads cleanly while giving each watch an energy that the standard black LCD doesn’t have.
Pricing starts at $270 for the GM-5600YRA-8 (the most compact, square model) and steps up from there depending on the case form. All four are in US stores now.
Fire Package 2026: Japan Only, For Now
The annual Fire Package release — a tradition that pairs the analog-digital AWG-M100 with the all-digital GW-2320 in a special edition colorway — went all-black for 2026. Tough Solar, Multiband 6, 200m water resistance, the usual spec sheet. The 2026 models haven’t been confirmed for international release as of this month, which is consistent with how some Fire Package editions have stayed Japan-only over the years.
Worth keeping an eye on if you’ve wanted an affordable Tough Solar G-Shock with a proper analog display — the AWG-M100 is one of the few models in that category, and the Fire Package versions always carry a little extra character.
Three releases, three different audiences. The Mudmaster upgrade is for people who use these things in the field. The camo CasiOak is for people who want something that looks great without thinking too hard about it. The Fine Metallic YRA is for people who want G-Shock toughness in something that works just as well with a dress shirt.
Casio keeps making this easy.
— Theo
Still curious? There’s more where that came from — Watchesfanboy.
