Casio G-Shock GA-2100 Review
Casio G-Shock GA-2100 Review
Nicknamed the “CasiOak” by watch enthusiasts for its resemblance to the Audemars Piguet Royal Oak, the Casio G-Shock GA-2100 has taken the watch world by storm. With its sleek octagonal case, ultra-durable design, and affordable price tag, this G-Shock has become a cult favorite for both collectors and casual wearers alike.
Key Specifications
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Case Size: 45.4mm (but wears smaller)
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Thickness: 11.8mm – one of the thinnest G-Shocks
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Weight: Approx. 51 grams
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Movement: Quartz (Module 5611)
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Water Resistance: 200 meters
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Material: Carbon Core Guard (resin + carbon fiber)
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Battery Life: 3 years
Design & Comfort
The GA-2100 is praised for its minimalist yet modern design. The octagonal bezel gives it a unique look that separates it from traditional G-Shocks. Despite the case size, it fits comfortably on most wrists due to its slim profile and light weight. The resin strap is soft and flexible, making it an excellent everyday watch.
Durability & Performance
Like all G-Shocks, the GA-2100 is built to last. Thanks to Casio’s Carbon Core Guard structure, it’s shock-resistant and tough enough for daily wear, sports, or travel. The analog-digital display may take some getting used to, but it adds functionality like:
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World time
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Stopwatch
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Timer
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Alarm
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LED light (dual illumination)
Pros & Cons
✅ Pros:
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Stylish and modern design (“CasiOak” aesthetic)
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Super durable and water-resistant
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Lightweight and comfortable
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Affordable (great value for money)
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Slim profile – unlike bulky G-Shocks
❌ Cons
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Hard to read in low light without backlight
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No solar charging or Bluetooth (on basic models)
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Digital display may be small for some users
Who Should Buy the GA-2100?
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Beginner Watch Enthusiasts: Great entry into G-Shocks and watch collecting
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Minimalist Style Fans: Clean look with versatile color options
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Active Lifestyles: Lightweight yet tough for gym, travel, and outdoors
Price & Availability
Retail price is around $99–$120 USD, but due to high demand (especially for limited colors), some models sell for more on the secondary market. You can find versions in black, red, green, white, and even camouflage.
Alternatives to Consider
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GA-2110 – Solar-powered and upgraded version
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G-Shock DW-5600 – Classic square G-Shock
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Timex Ironman – Another tough and affordable sports watch
Final Verdict
The Casio G-Shock GA-2100 is one of the best-looking and most wearable G-Shocks ever made. With its blend of toughness, style, and price, it’s no wonder the “CasiOak” is one of the hottest watches under $150. Whether you're a seasoned collector or just want a durable daily watch, the GA-2100 is a solid pick.