G-SHOCK MRG-B2100D-2A | January 2026

Distinctive MR-G face design in hanada-iro blue, inspired by the stately serenity of a mountain pagoda shrouded in mist

Tapping into the dawn-blue silence of Tohoku’s oldest pagoda, this distinguished design evokes the true timeless spirit of this Japanese national treasure. The pagoda is nestled in the forest of Yamagata, which is also home to the Casio crafting facility where MR-G timepieces — the flagship line of the G-SHOCK brand — are made. The distinctive dial design of the B2100 watches, which evokes the traditional Japanese interlocking woodwork technique known as kigumi, is rendered in traditional Japanese hanada-iro blue, expressing the beautiful scene of the five-storied mountain pagoda veiled in drifting mist. Evoking timeless strength and dignity, this timepiece lends a touch of tranquil elegance to the wrist.

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Facet	MRGB2100D-2A View details
Price
Price	Regular price $5,999.00
Band
Band	Titanium Band, Solid Band, Tight-lock, 1-press, 3-fold Clasp
Case and bezel material
Case and bezel material	Titanium / Cobarion
Case size (L× W× H)
Case size (L× W× H)	49.5 × 44.4 × 13.6 mm
Water resistance
Water resistance	200-metre water resistance
Weight
Weight	122 g
Glass
Glass	Sapphire crystal with anti-reflective coating
Surface treatment
Surface treatment	Titanium Carbide Coating
Compatible band size
Compatible band size	150 to 205 mm
Crown
Crown	Screw Lock Crown

Hanada-iro blue: A traditional Japanese hue expressing the stately serenity of a mountain pagoda shrouded in morning mist

With roots in indigo-dyeing, the traditional hanada-iro hue has an extensive history of use for busho military commanders’ helmets and other important items. Displaying subtle variations depending on the light and viewing angle, the clear blue color quietly evokes the ancient pagoda as it whispers the mystical passage of time.

Metal exterior featuring meticulous polishing of individual components

The bezel is formed from a total of 27 separate components instead of the conventional single piece, enabling the application of meticulously detailed high-quality polishes to each surface. Similarly, the dimpled parts of the bracelet are constructed with separate componentry. Prior to careful assembly of the watch components, skilled artisans manually polish each individual part to create beautifully smooth, distortion-free surfaces. In addition, a titanium carbide (TiC) finish is applied to provide even greater abrasion resistance, delivering long-lasting protection worthy of the silver gleam of the timepiece.

The watch also employs the Multi-Guard Structure, with various buffers inserted between the bezel components to help absorb impacts to the module and satisfy stringent criteria for shock resistance.

Carefully selected super-hard alloys: Combining strength with beauty

The top bezel is made with COBARION®, an alloy about four times harder than pure titanium which also has a brilliant gleam comparable to platinum. The bracelet links employ DAT55G, an alloy which is about three times harder than pure titanium. These Japan-made super-hard alloys make for an exterior design that offers both strength and beauty, along with a sophisticated textural appeal. A special Ti64 titanium alloy is used for the case, case back, buttons, and crown.

* COBARION® is a registered trademark of the Iwate Industry Promotion Centre and is manufactured exclusively by Eiwa Co., Ltd.
* DAT is a registered trademark of Daido Steel Co., Ltd. in Japan.

Dial design inspired by kigumi concept from Japanese aesthetics

The interwoven, latticework-like form, with its intricate series of openings, creates a pattern beautifully expressing the worldview of kigumi, the traditional Japanese art of woodwork joinery. The openings in the latticework dial ensure plenty of light passes through to power the watch. The 12 o’clock index features an intricately assembled two-part structure. This kind of craftwork, which demands the very highest precision, is only possible thanks to the fine processing technologies of Yamagata Casio.

* Graphic illustrates light passing through the open latticework pattern on the dial.

Shock-resistant crown

Protective parts are built into the crown and buttons to help absorb impacts to the module. A special construction keeps the MR-G logo, engraved on the crown, horizontally aligned when the crown is screw-locked.

* Image shows the MRG-B2100B-1A.