Ref. GM-2100 · Sport
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G-Shock collection · 101 watches
5 colorways
The market
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Casio on the secondhand market
+10.5%
2026 so far · +1.3% to +21.6% · 47 matched watches
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The community take
Owners widely praise the Casio GM-2100 for its stylish, minimalist octagonal design and slim profile, with reviewers noting its polished steel case, applied hour markers, and deep flange ring create an elegant aesthetic suitable for business environments. The carbon-reinforced stainless steel case measures 44.4mm wide, 11.8mm thick, and 49.3mm lug-to-lug, weighing 72 grams, and is considered durable enough for frequent wear. Some owners, however, dislike the neon green inside text, find the backlight could be brighter, and a few prefer a black dial with white hands for better legibility over stealthier versions. The adapters for fabric straps may be an issue for smaller wrists, and the watch is noted as being heavier than resin-cased G-Shocks. Overall, owners and reviewers rate the Casio GM-2100 highly for its sophisticated design and wearability at the price point.
On real wrists · 1
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