Thread: Seiko Kinetic 5M42A

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  1. #1
    Member Seismic's Avatar
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    Seiko Kinetic 5M42A

    I recently obtained a non working Seiko Kinetic with a 5M42A movement the rotor ( possibly the incorrect terminology) part of the charging has a sheared of pin causing it to stick so it does not charge the capacitator.
    Can anyone advise me as to where i could obtain or sell me this part.
    See Pic, (yellow arrow)


  2. #2
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    Re: Seiko Kinetic 5M42A

    If the problem as you see it is the little wheel the arrow is pointing to and the "sheared pin" is in fact one of the wheel's pivots then you'll need to replace the part.

    It is called the "generating rotor" (beware it is magnetised) If you can source a watch parts supplier they should be able to supply you the part. It is part number:4146 581

  3. #3
    Member Seismic's Avatar
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    Re: Seiko Kinetic 5M42A

    Thanks i have obtained the part using the info you supplied but on re assembling i found the intermediate gear which drives directly onto the generating rotor was also damaged i have now thoughly checked all other components and found no further faults.
    Could you possibly supply the part number for the wheel. thanks again.

    Quote Originally Posted by DropLock View Post
    If the problem as you see it is the little wheel the arrow is pointing to and the "sheared pin" is in fact one of the wheel's pivots then you'll need to replace the part.

    It is called the "generating rotor" (beware it is magnetised) If you can source a watch parts supplier they should be able to supply you the part. It is part number:4146 581

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