What's the difference between the GBD-200UU-1DR (black/green) and the GBD-200UU-9DR (stone grey)?
Identical Module 3506 specs and fitness functions. The difference is the colourway. The UU-1 is matte black with translucent dark green accents — tactical, stealth, military-adjacent. The UU-9 is stone grey with visible black inner structure — gorpcore, neutral, outdoor-meets-city. Both are Urban Utility variants. Choose black/green for a darker, more tactical look; choose grey for a lighter, more fashion-forward gorpcore aesthetic.
How does this compare to the standard all-black GBD-200-1A1DR?
Same Module 3506, same specs, same price. The UU-1 adds translucent dark green accents at the button tips and lug gaps — a subtle tactical detail the standard 1A1 doesn't have. The UU-1 also uses an inverted MIP display (white on black) vs the 1A1's standard positive MIP (dark on grey-green). Choose the UU-1 for the green accent detail and inverted display; choose the 1A1 for pure blackout simplicity with a more traditionally readable positive display.
Which GBD-200 should I buy? A quick buying guide.
All GBD-200 variants run Module 3506 with identical fitness features. The GBD-200UU-1DR (black/green) is the most tactical — subtle dark green accents on stealth black. The GBD-200UU-9DR (stone grey) is the most gorpcore — earth-toned utility aesthetic. The GBD-200-1A1DR (all-black) is the safest neutral. The GBD-200SM-1A6DR (Vital Bright purple) is the most cyberpunk. The GBD-200SM-1A5DR (Vital Bright orange/grey) is the most visually bold. Pick based on aesthetic.
Are the green accents very visible?
No — they're deliberately subtle. The translucent dark green elements at the button tips and lug gaps are visible mainly in direct light and at close range. From a normal viewing distance, the watch reads as all-black. The green is a reveal detail for people who look closely, not a colour statement you see from across the room.
How does the GBD-200 compare to the newer GBD-300?
The GBD-300 is the successor with structural upgrades: slimmest G-Squad profile (dual-bezel construction), octagonal front bezel, comfort-engineered band with fine-resin underside, bio-based resin, and glass fibre reinforced case. Both share the same core fitness features. The GBD-200 remains excellent value; the GBD-300 is the upgrade for fit, comfort, and sustainability.
Does this have GPS?
No built-in GPS. Calibrates distance via smartphone GPS through the CASIO WATCHES app. Once calibrated, the accelerometer tracks independently on familiar routes.
Can I swim with this watch?
Yes. Rated to 200 metres (20 BAR), covering swimming, snorkelling, and recreational surface water sports. Not rated for scuba diving.
Can I sync my runs to Strava?
Yes. The CASIO WATCHES app connects to Strava for automatic training data sync.
What warranty does this watch come with?
The GBD-200UU-1DR comes with Casio's official 1-year warranty when purchased from City Chain Singapore, an authorised Casio retailer.