Casio G-Shock GA2100LXB-1A9 Carbon Core Guard Black & Gold Watch
2 Year Warranty
The Casio G-Shock GA2100LXB-1A9 combines the iconic octagonal design of the GA-2100 series with premium gold accents for a bold yet sophisticated look. Gold vapour deposition has been applied to the hour markers, creating a subtle metallic shimmer that contrasts beautifully against the matte black dial, bezel, and bio-based resin band.
Built for everyday adventure, this G-Shock features the renowned Carbon Core Guard structure, delivering exceptional strength while maintaining an ultra-slim profile of just 11.8mm. Its lightweight 51g construction ensures all-day comfort without compromising durability.
Designed to handle demanding environments, the GA2100LXB-1A9 offers 200 metres of water resistance, shock resistance, and a range of practical features including world time, stopwatch, countdown timer, five daily alarms, dual LED illumination, and a full auto-calendar. Whether you’re heading to work, travelling, or exploring the outdoors, this watch delivers reliable performance with unmistakable G-Shock toughness.
Crafted using environmentally conscious bio-based resin for both the case and band, this latest GA-2100 model blends modern sustainability with legendary G-Shock engineering, making it an excellent choice for those seeking style, durability, and everyday functionality.
Key Features & Specifications
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Model: GA2100LXB-1A9
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Authentic Casio G-Shock
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Carbon Core Guard structure
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Shock Resistant construction
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200 Metres Water Resistant
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Carbon and bio-based resin case & bezel
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Bio-based resin strap
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Slim profile design
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Signature octagonal bezel
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Gold vapour deposited hour markers
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Analogue & digital display
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Mineral glass crystal
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Super Illuminator dual LED light
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World Time
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31 time zones (48 cities + UTC)
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Daylight Saving Time on/off
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1/100-second stopwatch
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Countdown timer
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5 Daily Alarms
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Hourly time signal
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Hand Shift feature
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Full Auto Calendar (to 2099)
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12/24-hour time display
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Button operation tone on/off
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Accuracy: ±15 seconds per month
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Approx. 3-year battery life (SR726W ×2)
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Case Size: 48.5 × 45.4 × 11.8mm
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Weight: 51g
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Black bio-based resin band
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Black dial with metallic gold hour markers
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Buckle clasp
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2-Year Warranty



































