Casio has now officially listed the Edifice x Honda collaboration watch on its official Japanese website, which effectively locks in its previously revised launch timeline (revealed by @geesgshock on Instagram). The product page also confirms that the watch is scheduled to go on sale in March 2026, and this should remove any remaining uncertainty around its release window.
The model, listed as the ECB-2300HR-1AJR, is priced at ¥66,000 (~$426) including tax. This also matches earlier retailer information but carries more weight now that it appears directly on Casio Japan’s Edifice catalogue. For Casio releases, especially limited or commemorative collabs, a domestic listing should generally be treated as final confirmation.
This particular Edifice model marks the 60th anniversary of Honda’s first Formula 1 victory, achieved by the RA272 at the 1965 Mexican Grand Prix. That context is visible across the official listing, which has several design references tied to the historic F1 car rather than treating the watch as a cosmetic badge exercise.
As mentioned in our previous coverage, the bezel uses a "championship white" finish inspired by the RA272’s original body colour, while the 60-minute marker is inscribed in gold to mark the anniversary. A red accent ring around the dial is a neat reference to the Japanese Hinomaru motif seen on the race car, and the leather strap has engine specifications from the RA272, along with period technical drawings.
The case back also has the Honda F1 first-victory logo. Casio’s description also points towards close cooperation with Honda during development, which means historical research played a key role in shaping the final design.
Since pricing, model number, and timing are now confirmed on Casio’s own platform, the Edifice x Honda collaboration looks to be set in stone for March.









