Casio G-Shock GA-2100 CasiOak Unisex Multi-Function Watch

4.8 (4 reviews)
$55.99 USD $94.99 USD -41%
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The GA-2100 -- nicknamed 'CasiOak' for its octagonal case silhouette -- is one of the most talked-about G-Shock designs in years, and this replica faithfully reproduces its clean, contemporary geometry. The metal-reinforced octagonal case measures 49.3 x 44.4 mm at a slender 11.8 mm thickness, making it genuinely wearable for both men and women. The three-dimensional dial integrates a striking layered design with analogue hands over a digital LCD, giving it a depth and visual interest that flat dials cannot match. All display elements remain crystal clear through the mineral lens. Fully packed with G-Shock utility: shock resistance, LED auto-illumination, world time, full-auto calendar, countdown timer, stopwatch, multi-function alarms, and hourly time signal. Packaged in full retail configuration.

  • Unisex sizing: 49.3 x 44.4 x 11.8 mm
  • Octagonal 'CasiOak' metal-bezel silhouette
  • 3D dual analogue-digital dial, mineral crystal
  • Shock resistant, LED auto-illumination, 20 m water resistant
  • Functions: world time, auto calendar, countdown, stopwatch, multi-alarm, hourly signal
  • Full retail packaging
  • Model: G-Shock GA-2100 (CasiOak)
  • Case Size: 49.3 x 44.4 x 11.8 mm
  • Case Style: Octagonal metal bezel, unisex
  • Display: Dual analogue-digital 3D dial
  • Crystal: Mineral glass
  • Functions: Shock resist, world time, auto calendar, countdown, stopwatch, multi-alarm, LED auto-illum
  • Target: Unisex (men and women)
BrandCasio
SizeOne Size
ShippingFree worldwide shipping
QualityChecked before dispatch
4.8 Based on 4 reviews
Tanya S. ★★★★★ Verified Purchase

The GA-2100 CasiOak unisex design is exactly what I wanted -- slim octagon profile, analogue-digital combo, and it works beautifully for both daily casual wear and gym sessions.

Rob M. ★★★★★ Verified Purchase

Great entry-level G-Shock rep. The CasiOak octagon silhouette is clean and the thin profile is very wearable. The analogue hands over the digital module is a design I keep coming back to.

Iris D. ★★★★★ Verified Purchase

Bought this for its unisex sizing and I am very happy. The 45.4mm case diameter sounds large but the thin profile keeps it from feeling oversized. The resin is soft and comfortable.

Ben W. ★★★★☆ Verified Purchase

The GA-2100 rep has the iconic look at a fraction of the cost. The octagon bezel detail is tight and the carbon-core resin is noticeably light. All functions work correctly.

Q: Is the GA-2100 CasiOak truly unisex -- does it work on smaller wrists?

A: Yes, the slim 11.8mm thickness makes the 45mm-wide case wear much smaller than it sounds. It is popular on both average male and larger female wrists.

Q: What is the strap material and is it easy to change?

A: The band is carbon-core resin, making it lightweight and durable. It uses a standard 16mm spring-bar system at the lug ends, so aftermarket straps fit easily.

Q: Does the analogue-digital display have a backlight?

A: Yes, the EL backlight illuminates both the analogue dial area and the digital segment display simultaneously with a single button press.

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