Casio is going back to the MTG-B2000 series for the limited edition G-Shock MTG-B2000YR-1AJR, featuring a stainless steel bezel with a rainbow ion plating and a multi-colored carbon laminated bezel frame that gives the appearance of rainbow stripes on the sides of the watch. The front bezel also has etched markings inspired by the landscape of a large city at night. Other unique characteristics are the rainbow-colored surfaces of the hands and indexes.

The MTG-B2000YR-1AJR measures 55.1 x 49.8 x 15.9 millimeters and features Tough Solar power, Multi-Band 6 auto radio time correction, Bluetooth smartphone link, and Triple G Resist with protection against shock, centrifugal gravity, and vibration. The MTG-B2000 series is made in Japan and has a sapphire glass display and carbon monocoque case. Other features include dual time, stopwatch, timer, alarm, full auto calendar, and LED light. Connecting to the Casio Watches smartphone app with Bluetooth provides additional functions such as automatic time correction, easy clock setting, world time with approximately 300 cities, clock status display, self-check, and phone finder.