Movement: Quartz analog-digital Waterproof: 20 ATM waterproof Body size: length x width x thickness (excluding lugs and crown): approx. 45 x 45 x 15 mm Weight: approx. 61 g
Overview The GBA-900UU-3A is a Casio G-SHOCK G-SQUAD digital-analog watch with Bluetooth smartphone link. It blends rugged G-SHOCK DNA with a stylish khaki-tone finish for a versatile, active lifestyle. Designed for men and women who want durable timekeeping with modern connectivity. A reliable quartz movement powers accurate timekeeping with minimal maintenance.
Key Features
Analog hands paired with a digital display for dual-time reference.
Bluetooth Smartphone Link to sync time and fitness data with the Casio app.
LED backlight for easy reading in low light conditions.
Quartz movement delivering precise, low-maintenance timekeeping.
Shock-resistant construction to withstand daily bumps and rough use.
Water resistance suitable for daily activities and incidental water exposure.
Auto calendar pre-programmed to year 2099 to minimize date adjustments.
12/24-hour time formats to suit user preference.
Daily alarm to help you stay on schedule.
Hourly time signal to mark the top of each hour.
1/100-second stopwatch for precise timing of activities.
World Time functionality to track time in major cities around the world.
Mineral glass or reinforced display cover to protect the screen (region dependent).
Design and Comfort
Unisex, practical rectangular-oval silhouette with a rugged yet refined look.
Khaki-tone resin case paired with a matching khaki/green stainless steel or resin band for durability.
Lightweight construction designed for comfortable all-day wear.
Secure clasp and adjustable band for a comfortable, secure fit.
Display and Readability
High-contrast digital display integrated with analog hands for quick checks.
LED backlight ensures legibility in darkness or dim environments.
Dial layout optimized for easy at-a-glance time reading and functionality access.
Durability and Water Resistance
Shock-resistant construction to absorb daily shocks and vibrations.
Water resistance suitable for incidental exposure to water; not intended for swimming or diving.
Protective display housing guards against scratches during everyday activities.
Materials and Use
Case and strap crafted for resilience in active use.
Khaki colorway provides a distinctive, versatile look that pairs with casual and outdoor outfits.
Suitable for everyday wear, travel, and fitness activities.
Power, Maintenance, and Battery
Quartz movement delivers reliable, low-maintenance timekeeping.
Battery life depends on usage, Bluetooth activity, backlight usage, and features enabled.
Battery replacement should be performed by a qualified technician when needed.
What’s in the Box
The GBA-900UU-3A watch.
User manual.
Regional packaging may vary by listing.
Care and Maintenance
Clean with a soft cloth to preserve finish.
Avoid prolonged exposure to solvents or high heat to protect materials.
Have battery replacements performed by a qualified service provider when required.
Why Choose This Model
A rugged yet connected G-SHOCK that blends sport-ready features with modern smartphone integration.
Durable build and practical timekeeping ideal for daily wear, travel, and workouts.
A versatile style that pairs well with casual, smart-casual, and active outfits.