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  1. Seiko caliber 7B25 (JDM, Radio Wave Control, Solar)

    User/Technical Manual & Casing Guide Downloads
    Does any of you have service manual for caliber 7B25 or 7B26? I would like to know exact type of rechargeable battery in caliber 7B25. My watch is 10 years old and I believe sooner or later the battery will need a replacement. Second question: Does this movement have any jewels?