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1930s or 40s New Haven

AlamedaMike
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AlamedaMike Member

AlamedaMike

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Just a couple of pics of a recent service.  Ran the movement in cleaning fluid for a week with a couple of fluid changes.  Lots of crud came off.  Polished the crystal and case, polished up a vintage band.  Oiled and running like a champ now.

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HSL Distinguished Member

HSL

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Thank you for this treat, I seldom see movements like this one so for me it's super intresting.
Since i like movement porn I have one question, on the first Picture one can see a Little lid in the opposite corner of the balance; I assume this is were the mainspring is. From the Picture it seems the mainspring doesn't have an barrel? Is it just a mainspring and one arbour under the lid?

AlamedaMike Member

AlamedaMike

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Yes, you remove the two screws, and the plate comes off exposing the main spring.  There is a main spring barrel there.  If I had a side shot you would see it.

Westclox and Timex are similar movement designs with only two plates.  This movement was quite easy to work with, especially how easy it was to remove the balance.

HSL Distinguished Member

HSL

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I have a very limited experience from movements like these compared to Swiss movements.Lately I have mostly worked on TIMEX watches since they are common here too.
One have to admit they are just ingenious in their simplicity, even they are made out of pressed sheet metal they mostly after a service starts ticking, not the most accurate but still considering the construction impressive.
I have begun to buy all kinds of pin lever escapements too. For some reason I get amused of the challenges they present. If one is interested in learning about the effects of side and end shake they are a joy to observe. In a fault finding perspective they mostly offer a greater challenge too.
Thank you for your response and keep up with the great work...

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AlamedaMike Member

AlamedaMike

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I too am a Timex person.  Service about 1 Timex a week as a hobby.  Every once in a while an oddball watch like this will be part of a lot, and I get very interested in making it go.  Cheers.

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      Reusing mainsprings in an automatic and slipping

      By AndyGSi · Posted

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      Reusing mainsprings in an automatic and slipping

      By JohnL · Posted

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    • AndyGSi
      Reusing mainsprings in an automatic and slipping

      By AndyGSi · Posted

      If the weight was worn how does the post look as normally you'd have to replace both. There should be no real resistance at the end and just be able to keep on winding. Did you insert both springs the same and is the idler gear OK.
    • JohnL
      Reusing mainsprings in an automatic and slipping

      By JohnL · Posted

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