BW Raymond stops running

Discussion in 'Watch Repair' started by watchtinker, Oct 11, 2017.

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  1. watchtinker

    watchtinker Registered User

    Dec 25, 2016
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    Hello, I have an interesting problem that has me stumped. I recently bought an elgin BW Raymond Grade 478. The watch movement runs great when it is in the case, but the moment you put it back in the case it slows down a lot and eventually stops. Does anyone have any ideas as to what would cause this?
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  2. watchtinker

    watchtinker Registered User

    Dec 25, 2016
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    I am sorry. I meant to say the movement runs fine when it is out of the case.
     
  3. glenhead

    glenhead Registered User
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    Nov 15, 2009
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    A couple of things to check:

    Are the hands dragging on the crystal?

    Is the setting lever completely disengaged, i.e., all the way in? Sometimes the additional drag of the setting mechanism can stop a watch.

    Happy hunting!

    Glen
     
  4. watchtinker

    watchtinker Registered User

    Dec 25, 2016
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    The hands are not dragging and the setting lever is all the way in.
     
  5. watchtinker

    watchtinker Registered User

    Dec 25, 2016
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    Also if the movement is loose in the case it runs fine. It only stops when I tighten up the case screws.
     
  6. Skutt50

    Skutt50 Registered User

    Mar 14, 2008
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    I have had this happen to me once over the years. The movement stopped when I tighthend the case screws, Turned out to be the case screw closest to the gear train. I don't remember what I did to solve it but it had something to do with the main plate bending ever so little which locked up the gear train. (Don't quote me, but I think I gave the main plate a small bend in the opposite direction!)

    Mine did not stop even if I tightened the case screws with the movement out of the case. It was only when the case was mounted and I think it was linked to the main plate being pulled against the casing, that caused the slight bend.
     
  7. watchtinker

    watchtinker Registered User

    Dec 25, 2016
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    So the case screw that seems to be causing the problems is the one closest to the stem. I tighten the other one up and it seems to run fine.
     
  8. Tom Huber

    Tom Huber Registered User
    NAWCC Member

    Dec 9, 2000
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    I have also had this happen several times--tighten the case screw and the watch stops. Watchmaker friend told me that one or both of the plates could be warped slightly.

    My solution was to tighten it down just prior to the watch stopping. Did not have a problem with the screw working its way out.
     
  9. Skutt50

    Skutt50 Registered User

    Mar 14, 2008
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    I can think of a few things to check:

    1 - Are the case screws of the same length? If not try to switch them!

    2 - Loosen the screws on the gear train plate ever so slightly and mount the watch again. If that helps it is the gear train that locks up.

    3 - You can also check the gear train by pushing slightly on each wheel with a tooth pick. The wheel after the wheel that is locked will not have any tension.

    Question! Does it stop directly when you tighten the screw or is it after a few minutes?
     
  10. rolandantrobus

    rolandantrobus Registered User

    May 17, 2016
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    #10 rolandantrobus, Oct 13, 2017
    Last edited: Oct 13, 2017
    I had a Waltham Riverside that stopped when you attempted to close the case back. You would assume that something was fouling but no there was plenty of clearance. Eventually solved by checking that all the movement screws were tight and a slight easing of the case screws. The case was giving the movement an imperceptible twist, enough to stop it.
     
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