G-SHOCK GX-56UBB-1 – Oversized Black Tough Solar Digital Watch
The CASIO G-SHOCK GX-56UBB-1 is a bold all-black digital watch from the G-SHOCK GX-56 Series. Known for its oversized square case and rugged construction, this model combines a minimalist matte black design with the legendary toughness of G-SHOCK.
Built for demanding environments, the GX-56UBB-1 features Shock Resistant and Mud Resistant construction, 200-meter water resistance, and Tough Solar technology. Its high-brightness white LED backlight provides convenient visibility in the dark.
Design & Style
The GX-56UBB-1 features a distinctive oversized rectangular case with a matte black resin finish and matching black band. Its substantial design is engineered to withstand impacts from multiple directions, while the understated monochromatic appearance gives it a powerful, modern look.
The updated LED Super Illuminator provides bright white illumination, making the digital display easier to view in low-light conditions.
Key Features
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GX-56 Series oversized digital G-SHOCK watch
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All-black design with matte resin finish
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Oversized square case with rugged styling
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Shock Resistant construction
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Mud Resistant construction
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200-meter water resistance (20 BAR)
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Tough Solar solar-powered technology
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World time: 48 cities across 31 time zones
- 1/100-second stopwatch
- 24-hour countdown timer
- 5 daily alarms
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White LED Super Illuminator with afterglow
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Full auto-calendar to year 2099
- Power Saving function
- Battery power indicator
Specifications
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Model: GX-56UBB-1
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Collection: G-SHOCK GX-56 Series
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Display: Digital
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Case / Bezel Material: Resin
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Case Color: Black
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Band: Black resin band
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Glass: Mineral Glass
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Case Size (L × W × H): 55.5 × 53.6 × 17.5 mm
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Weight: 88 g
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Compatible Band Size: 150–220 mm
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Construction: Shock Resistant / Mud Resistant
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Water Resistance: 200 meters (20 BAR)
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Power Supply: Tough Solar (solar-powered rechargeable battery)
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World Time: 31 time zones (48 cities + UTC)
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Stopwatch: 1/100-second, measuring up to 23:59'59.99"
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Countdown Timer: Up to 24 hours
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Alarms: 5 daily alarms
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Light: Full Auto LED Super Illuminator with afterglow
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Light Color: White
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Calendar: Full auto-calendar to year 2099
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Time Format: 12/24-hour
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Other Features: Power Saving, battery power indicator, button operation tone on/off
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Accuracy: ±15 seconds per month
Frequently Asked Questions
What is the difference between the G-SHOCK GX-56UBB-1 and GX-56BB-1?
The GX-56UBB-1 is an updated version of the GX-56BB-1. A key difference is the backlight: the GX-56UBB-1 features a white LED Super Illuminator, while the earlier GX-56BB-1 uses a blue-green electroluminescent (EL) backlight. Both models share the distinctive oversized GX-56 design.
Is the G-SHOCK GX-56UBB-1 solar-powered?
Yes. The GX-56UBB-1 features Tough Solar technology, which converts light into energy to charge its rechargeable battery. It also includes a Power Saving function to help conserve energy when the watch is left in the dark.
Is the GX-56UBB-1 mud resistant and waterproof?
The GX-56UBB-1 features Mud Resistant construction and 200-meter water resistance (20 BAR). These features help protect the watch in demanding environments. However, water resistance does not mean the watch is completely waterproof under every condition.
How large is the G-SHOCK GX-56UBB-1?
The GX-56UBB-1 measures 55.5 × 53.6 × 17.5 mm and weighs 88 grams. Its oversized square case offers a bold wrist presence, making it particularly appealing to those who prefer large, rugged watches.
Warranty
All G-SHOCK watches purchased from Miseki Jewelry include a 1-year limited warranty covering manufacturing defects in the watch movement only, starting from the date of purchase.
Warranty Exclusions: This movement-only warranty does not cover the battery, case, glass, band, normal wear and tear, accidental damage, or damage caused by improper use. Proof of purchase is required for warranty claims.
This is Miseki Jewelry's movement-only limited warranty and is separate from any applicable CASIO manufacturer's warranty.
▶︎ Processing Time & Shipping Policy
▶︎ Refund Policy
We only carry G-SHOCK USA products.
Unfortunately, we DO NOT ship internationally.
For additional product information, visit the official CASIO G-SHOCK GX-56UBB-1 product page.
