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Thread: Stuck screw back

  1. #1
    bighead
    Join Date
    Nov 2014
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    Southern California
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    Stuck screw back

    Took an old frogman 8200 to a watch guy. Even he couldn't get the back off. I almost hurt myself trying it. He mentioned the freezer to shrink the metal then try it. Any ideas?

  2. #2
    with some stubborn screwback sometime need the studier screwback opener like this one:

    https://www.youtube.com/watch?v=LjUk7n186_w

    hopefully you could find a watch guy/repairer that have one of these kind of tool..
    goodluck buddy... i know some screwback could be really stubborn..

  3. #3
    Member scottjc's Avatar
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    I've tried the freezer trick as a last resort and it works. I also use freeze spray before that which usually does the trick.
    Sent from my Nokia Lumia 1020 using Tapatalk
    If the supply of ETA movement parts affects you please complete this survey:
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  4. #4
    Keep us updated. I'd hesitate to use any spray, but as a last resort after the freezer trick. This is totally obvious, but sometimes with the screwback tool, I don't have all three of the spokes in the back securely, and sure enough that's all it took.

    Neil

  5. #5
    Member scottjc's Avatar
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    To be honest, I'm happier using the freeze spray before putting the whole watch into the freezer and it usually works.
    Sent from my Nokia Lumia 1020 using Tapatalk
    If the supply of ETA movement parts affects you please complete this survey:
    https://www.surveymonkey.com/r/swiss_watches

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