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I've been using this GR-8900A since middle school (10y ago). No battery replacement or maintenance done so far. Keeps working without any complaints. Did anyone here replace a solar powered rechargeable battery
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Amazon.co.jp: Casio G Shock Baby G No Battery Replacement Required! Radio Solar, Multi Band 6, Black, White, GW-B5600HR-1JFBGD-5000-7DJF Watch : Clothing, Shoes & Jewelry
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