Casio G-SHOCK GXW GX-56 Series – Model GX56BB-1

The GX56BB-1 represents the purest form of G-SHOCK toughness — a bold, all-black digital timepiece engineered to withstand extreme environments. Known as part of the GX-56 “King of G-SHOCK” lineup, this model embodies strength, durability, and minimalist design in one solid package.

Design Overview

Crafted with a simple matte black finish, the GX56BB-1 highlights the shape and structure of its powerful case, while the black ion-plated buckle adds a touch of refined detail. Built to endure shock, mud, and dirt from every direction, it is a watch made for those who demand absolute reliability under any condition.

Powered by Casio’s Tough Solar system, the GX56BB-1 offers eco-friendly operation, eliminating the need for frequent battery changes. The Electro-Luminescent (EL) blue-green backlight ensures clear visibility even in total darkness.

Key Highlights

✔ All-black “King of G-SHOCK” design for a rugged, stealthy look
✔ Mud-Resistant and Shock-Resistant structure for superior protection
✔ Tough Solar technology for long-lasting, maintenance-free power
✔ Full Auto EL Backlight with afterglow for easy nighttime readability
✔ 200-meter water resistance suitable for professional marine activity and serious surface water sports

Features & Specifications

Case & Band
• Case Size: 55.5 × 53.6 × 17.5 mm
• Case / Bezel Material: Resin
• Band: Resin Band
• Weight: 88 g

Exterior
• Glass: Mineral Glass
• Construction: Shock Resistant, Mud Resistant

Water Resistance
• 200-meter water resistance

Power Supply
• Tough Solar (solar powered)

Timekeeping Functions
• World Time: 31 time zones (48 cities + UTC), daylight saving on/off
• Stopwatch: 1/100-second stopwatch; elapsed, split, 1st–2nd place times
• Countdown Timer: 1 second–24 hours (1-minute increments)
• Alarms: 5 daily alarms (1 snooze alarm), hourly time signal
• Calendar: Full auto-calendar (to year 2099)
• Format: 12/24-hour

Lighting
• Electro-Luminescent Backlight (EL-Blue Green)
• Selectable illumination duration (1.5 or 3 seconds)

Other Features
• Power Saving Mode (screen turns off in darkness)
• Battery Level Indicator
• Button Operation Tone On/Off
• Accuracy: ±15 seconds per month
• Approx. Battery Life:
　– 11 months (normal use)
　– 27 months (in total darkness with power save ON)

Summary

The GX56BB-1 is the ultimate embodiment of G-SHOCK’s “Absolute Toughness.”
With its oversized, mud-resistant case, solar power, and understated black aesthetic, this watch combines brute strength with minimalist sophistication. Whether for outdoor missions, work environments, or everyday urban wear, it’s a timepiece built to outlast.

GX56BB-1 – The True King of Toughness.

For more details, visit the official CASIO website here.

Warranty:

• The watch is covered by a warranty, providing assurance and protection for your purchase.

▶︎Processing Time & Shipping Policy

▶︎Refund policy

▶︎We only carry G-SHOCK USA products.

▶︎Unfortunately, we DO NOT ship internationally.