Casio G-Shock DW-5900U Series Launches in UK With Modernized Tech

Casio has confirmed the UK launch of its modernized G-Shock DW-5900U series, bringing substantial technical upgrades to the iconic 1990s-era design. Scheduled for release in late January 2026, the DW-5900UBB-1 (all-black) and DW-5900U-1 (black with color accents) replace previous DW-5900 models with improved internal components while maintaining the distinctive octagonal case silhouette.

Core Technical Upgrades

The most significant changes occur internally where Casio implemented the modern 3536 module, replacing the previous 3465 unit. This upgrade enables:

• LED Super Illuminator: Replaces older electro-luminescent backlighting with brighter, more energy-efficient LED illumination
• Enhanced timekeeping: Maintains accuracy within ±15 seconds per month
• Unchanged battery life: Utilizes same CR2025 battery with 10-year projected lifespan

External durability specifications remain identical to previous generations, including 200-meter water resistance and shock protection meeting MIL-STD-810H standards.

Model Comparison

• DW-5900UBB-1: Features all-black resin construction with reversed LCD implementation (black background with light digits for primary time display, light background for Triple Graph sub-display)
• DW-5900U-1: Black resin case with red, blue and white accent details, plus standard LCD configuration (light background main display, dark Triple Graph)

Both retain the functional DNA of previous models including:

• Multi-time zone support
• 1/100-second stopwatch
• Five daily alarms with hourly chime
• Full auto-calendar

Pricing and Availability

Priced at £80 RRP per unit, the watches represent a modest price increase over discontinued models. UK customers can register for launch notifications through Casio's online store, though wider European and North American availability remains unconfirmed.

Practical Considerations

These updates position the DW-5900U series as ideal for:

1. Existing G-Shock owners seeking modern components in classic form factors
2. Buyers prioritizing long-term durability over smartwatch features
3. Outdoor enthusiasts needing reliable analog-style timekeeping The LED illumination upgrade specifically addresses a key weakness of previous models, providing significantly better nighttime visibility without compromising the decade-long battery life that defines the G-Shock series. While functionally similar to predecessors, the technical refinements make these the most maintainable and visually legible versions of this enduring design.