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casio-gshock-ga2100-2019-carbon-core

GA-2100-1A1

A historical Chronolume watch profile of the 2019 G-SHOCK, examining why the model mattered for design, technology and culture.

Original image of Casio G-SHOCK GA-2100: how Carbon Core Guard made toughness slim
The 2019 G-SHOCK design in a period-correct or exact-model photograph. Timekeeper / exact model ↗

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Specifications

Published specifications for GA-2100-1A1
ReferenceGA-2100-1A1
Stylesport
Movementquartz
CalibreAnalog-digital quartz
Diameter48.5 mm
Water resistance200 m

Omitted specifications have not been confirmed. From published article 2026-10-18. Original source ↗

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Casio G-SHOCK GA-2100: how Carbon Core Guard made toughness slim ↗

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