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    Instruction

    Select from the caliber code

    Check the caliber code of your watch on the case back

    Click the first digit of the caliber code

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    Caliber CodeInstruction
    5
    5X53
    Instruction of 5X53 (GPS Solar) Complete User Guide for Astron : English
    Handy Manual of 5X53 (GPS Solar) for Astron : English
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