1. The upcoming Casio G-Shock MTG-B4000BD-1A and MTG-B4000B-1A feature Dual Core Guard structure with carbon frames, stainless steel casing, and sapphire crystal.
2. Both models are shock, vibration, and centrifugal force resistant, with Bluetooth, radio-controlled timekeeping, world time, and solar charging capabilities.
3. The MTG-B4000BD-1A is all-black with a composite band, priced around ¥203,500 (~$1,276), while the MTG-B4000B-1A adds red accents and features a resin bracelet, priced at ¥176,000 (~$1,104).
4. Launch is expected in Japan in May 2026, with uncertain availability in other countries like the US.
Upcoming Casio G-Shock Models Introduced
Casio is preparing to launch their latest G-Shock watches, the MTG-B4000BD-1A and the MTG-B4000B-1A which will join the existing MTG-B4000 Series. These new models are anticipated to expand the line with interesting new features and stylish designs. The previous model, the MTG-B4000D-1A, made its debut back in early 2026, adding to the popularity of the series.
Features and Design Details
Pictures of these watches which leaks on Instagram by users like morgan_gshock shows that the MTG-B4000BD-1A appears totally black with a layered composite band, giving it a sleek look. The other, the MTG-B4000B-1A, is mostly black with vibrant red accents placed carefully around the dial and case. It uses a resin band instead of the composite material seen in the first model. Both watches are said to feature the new ‘Dual Core Guard’ structure, combining a carbon fiber frame, stainless steel case, and sapphire crystal glass, promising durability.
Technical Specifications and Pricing
These watches are equipped with radio-controlled timekeeping and Bluetooth capabilities that connect with smartphones for seamless auto time updates. On the face of the watches, you can find three analog hands plus various subdials functioning as a worldtimer, a 1-second stopwatch, a timer, and alarm. They are built tough, resisting shocks, vibrations, and centrifugal forces. Other notable features include an LED backlight, water resistance up to 200 meters, and Tough Solar power technology for extended battery life. Blog Great G-Shock World mentions that the price for the MTG-B4000BD-1A could be around ¥203,500, roughly $1,276, while the resin-strapped MTG-B4000B-1A might be a little cheaper at ¥176,000 or about $1,104. These models are slated to hit the Japanese market in May 2026, but it is uncertain whether they will be available in other regions such as the U.S., where similar models currently retail around $1,400.