1. The G-Shock GMW-BZ5000RC-1 is a full-metal, rainbow-colored watch with a stainless steel case, bezel, and strap, featuring ion plating and vapor deposition techniques.
2. It offers customizable display options, radio-controlled time accuracy, Bluetooth connectivity, and various functions like dual world time zones, stopwatch, countdown timer, and alarms.
3. The watch is water-resistant up to 200 meters, powered by Tough Solar charging, and has been officially launched in Japan with plans for future international release.
New Rainbow G-Shock Launch in Japan
The Casio G-Shock GMW-BZ5000RC-1 has just been officially out in Japan, and folks there can already pre-order it for ¥121,000 which is close to $761. This stunning piece was leaked earlier this year, with sneak peeks of its flashy rainbow design popping up in 2026. The excitement is real as fans wait for it in other parts of the world and speculations about the price in the UK are around £770. This watch’s debut indicates a global possibility, but details remains under wraps for now.
Design Elements and Build
What makes this model stand out? Well, it’s all about the full-metal build, crafted with stainless steel and finished with an eye-catching rainbow ion-plated coating on the case, bezel, and strap. The center of the watch also sports the same rainbow hue, giving it a vibrant, unique look. The glass covering it is coated with rainbow vapor deposition, adding extra shimmer for those who love a bit of sparkle in their wristwear. It’s a serious eye-catcher designed for those who wants their watch to be noticed.
Features and Functionalities
In terms of tech, this model uses a negative MIP LCD display, providing a crisp and clear view with a black background. Users have the flexibility to tweak the display with different font choices and layout options, making it quite customizable. This watch is not just about style but also raw functionality—thanks to features like Multiband 6 radio control, which ensures accurate timekeeping through automatic adjustments using the brand’s app. It supports dual world time zones, a 1/100th second stopwatch, countdown timer, and five alarms daily—all packed in a robust package that’s water resistant up to 200 meters. Plus, its Tough Solar charging technology means it doesn’t need frequent battery replacements, even with heavy usage.

