In addition to the all-new G-LIDE GBX-H5600 series and Coca-Cola collaboration, the following G-Shock watches will be released in Japan in May 2026.
MUDMASTER GWG-B1000MG-1A9
This limited edition Mudmaster GWG-B1000 model features magma-inspired orange hands and markers along with various gold-toned ion-plated stainless steel parts. The black resin band is mix-molded with lighter shades to resemble geological strata. Major features of the Japan-made GWG-B1000MG-1A9 include sapphire glass, Tough Solar, Multi-Band 6, Bluetooth Smartphone Link, Triple Sensor (altimeter-barometer, compass, thermometer), and mud-resistant buttons. The GWG-B1000MG-1A9JR is 143,000 yen in Japan. [Casio U.K. has the GWG-B1000MG-1A9 listed as coming soon for £800, which is £21 more than the limited GWG-B1000TLC-1A.]
MT-G MTG-B4000B-1A and MTG-B4000BD-1A
These are the first MTG-B4000 watches with a black ion-plating. They are made in Japan and feature Tough Solar power, Multi-Band 6, Bluetooth smartphone link, and Triple G Resist.
The MTG-B4000B-1A has sporty red accents on the dial and red stripes on the sides of the carbon fiber laminated frame. This model has a resin band and a price of 176,000 yen.
The MTG-B4000BD-1A also has a monochrome style and a layered composite band made of stainless steel and resin. Previously, the silver and black MTG-B4000D-1A was the only MTG-B4000 watch with a composite band. The new MTG-B4000BD-1A has a price of 203,500 yen.
GMD-B300-2 and GMD-B300-7
The navy blue GMD-B300-2 and white GMD-B300-7 (17,600 yen each) are designed for smaller wrists and feature a step tracker and Bluetooth smartphone link. Other features of the GMD-B300 include dual time, stopwatch (1/100-second up to first hour), interval timers (up to 5 timers with 60-minutes max, with auto-repeat and auto-start), five alarms, and auto LED backlight (1.5 or 3 seconds).





















