CASIO
G-SHOCK GM5600BRW-1
G-SHOCK GM5600BRW-1
Casio G-Shock G-STEEL 5600 Series - Model GM5600BRW-1
The GM5600BRW-1 is a bold and stylish addition to the G-STEEL 5600 Series, featuring a rainbow vapor deposition design that brings a vibrant, color-shifting brick wall pattern to the watch glass and dial. This design pays homage to the very first G-SHOCK, symbolizing the spirit of toughness and resilience.
Design Overview
The GM5600BRW-1 features a black ion-plated stainless steel bezel and a rainbow vapor-deposited glass, which shifts colors depending on the angle and lighting. The brick wall imagery represents overcoming barriers and the constant pursuit of limits.
Key Highlights
- 5600 Series G-STEEL model with a sleek black stainless steel bezel.
- Rainbow vapor deposition on the glass, creating a unique color-shifting effect.
- Symbolic brick wall imagery, inspired by the very first G-SHOCK.
- Shock-resistant & 200-meter water resistance, ensuring durability.
Features
Case & Band
- Case Dimensions: 49.6 × 43.2 × 12.9 mm
- Material: Resin/Stainless steel.
- Surface Treatment: Black ion-plated bezel for a sleek, premium look.
- Band: Bio-based resin band.
- Weight: 73 g
Durability
- Shock-resistant construction for ultimate toughness.
- Water Resistance: 200 meters, making it ideal for water activities.
Exterior
- Glass: Mineral glass for scratch resistance.
- Band Compatibility: Fits wrists 145 to 215 mm.
Technology & Functional Highlights
Timekeeping
-
Digital Display:
- Hour, minute, second, pm, month, date, day.
- 12/24-hour format for flexible time display.
Timers & Alarms
-
Stopwatch:
- 1/100-second measurement.
- Measuring capacity: 59'59.99" for the first 60 minutes.
- 1-second units after 60 minutes.
- Measuring modes: Elapsed time, split time, 1st & 2nd place times.
-
Countdown Timer:
- Range: 24 hours.
- Start time setting: 1 second to 24 hours (1-second, 1-minute, and 1-hour increments).
- Auto-repeat function.
- Multi-Function Alarm & Hourly Time Signal.
Lighting
- LED Backlight (Super Illuminator) for enhanced visibility.
- Afterglow function.
- Light Color: White.
Calendar & Accuracy
- Full-auto calendar pre-programmed until the year 2099.
- Accuracy: ±15 seconds per month.
Additional Features
-
Flash Alert Feature:
- Flashes with buzzer for alarms, hourly time signals, and countdown timer alerts.
- Regular timekeeping with essential functions.
Power & Battery
- Battery Life: Approx. 5 years on CR2016 battery.
Summary
The GM5600BRW-1 is a bold and stylish fusion of toughness and fashion, with its iconic brick wall imagery, rainbow vapor deposition, and black ion-plated stainless steel bezel. Designed for those who push boundaries, this unique and vibrant G-STEEL model is perfect for collectors, streetwear enthusiasts, and fans of classic G-SHOCK toughness.
For more details, visit the official Citizen website here.
Warranty:
- The watch is covered by a warranty, providing assurance and protection for your purchase.
▶︎Processing Time & Shipping Policy
▶︎We only carry G-SHOCK USA products.
▶︎Unfortunately, we DO NOT ship internationally.
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Explore Your Favorite G-SHOCK Watches
Explore our current selection of G-SHOCK watches. If you don’t see your preferred model, check the G-SHOCK USA website, note the model number, and contact us via email or phone(415-567-2400) to place your order. Ask about our special deals!
Please note:
- We only carry G-SHOCK USA products.
- Unfortunately, we DO NOT ship internationally.

Trusted Since 1967
Our owner, Asuka Saito, is certified by both Gemological Institute of America (GIA) and Cultured Pearl Association of America (CPAA), and we also have a GIA-certified appraiser on staff. Asuka is also a color specialist, certified as a TC Color Therapist and Sensational Color.