Ref. GBM-2100A · Sport
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G-Shock collection · 102 watches
2 colorways
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Casio on the secondhand market
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-5.2% to +17.4% · 54 matched watches
Year-by-year readings →Owners widely consider the Casio GBM-2100A the best in the Casioak line, praising its half-metal construction for a premium feel without excessive weight, its positive display, and Neobrite indexes. The Bluetooth connectivity simplifies setting functions via a smartphone app, and the model is cited as a great example of G-Shock's value, durability, accuracy, and comfort. One owner notes that while the metal case is a strong combination, resin models offer more modding flexibility. Overall, owners rate the Casio GBM-2100A highly for its premium feel, positive display, and exceptional value.
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