Casio has released the G-Shock DW-5900UBB-1 and DW-5900U-1 in the UK, bringing its updated DW-5900 digital watches to a wider audience. Both models launched in Japan earlier in January 2026 and are refreshed versions of the DW-5900BB-1 and DW-5900-1 that were introduced in 2018.
The two watches are now available through Casio’s official UK online store. Each model is priced at £80 and includes free delivery within two to four working days. Casio has also indicated that the watches are expected to be sold at its physical store in London, although availability there has not been fully confirmed.
The DW-5900U series focuses on internal improvements rather than major design changes. Both models use the newer 3536 module, replacing the older 3465 module found in the previous generation. Another key update is the switch from an electroluminescent backlight to a high brightness LED backlight. These changes improve power efficiency and extend the rated battery life from five years to ten years.
The DW-5900U-1 stays close to the original look of the series. It features a black resin case with red and blue accents and a standard light background digital display. The DW-5900UBB-1 takes a more minimal approach with an all black design, a matte finish, and a black background digital display without colored highlights.
Both watches keep the classic DW-5900 face layout. This includes three digital graph indicators positioned across the top of the dial and a larger main display below. Functional features remain unchanged and include world time, a countdown timer, a 1/100 second stopwatch, and support for five daily alarms.
Casio has not shared details on when the DW-5900UBB-1 and DW-5900U-1 will be released in other parts of Europe or in markets such as the United States.
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