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Must have been quite a while...

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March 24, 2014 07:05PM
as my old login has become inactive.
No problem, I just moved my login from another forum Whistle

I recently got this one sorted out and have been wearing it quite a bit...


My friend Zoodles left this one with me several years ago to see if I could sort out the excessively fast running.
I did a complete service on it and it still ran way too fast. I thought I might have missed a worn or broken part but even two more tear downs failed to show anything up or solve the problem. I gave up and left it in the watch drawer until recently when I decided to solve the issue once and for all.

With the movement in my holder, it always ran fine but as soon as I put it back in the case and closed it up then had it face up, the speed would increase. Nothing I could see while in the holder indicated a problem.
In a moment of beer induced enlightenment, I held the movement over my head with the dial facing up and had a real close look with my loupe.
Then I saw it! The outer loops of the balance spring were rubbing on the balance cock/bridge and effectively shortening the spring.

Flipped it back over and in a couple of seconds had the balance spring back in shape. Whoever worked on the watch before Zoodles received it had obviously pulled the balance out and stretched the spring into a slight cone shape. It should be absolutely flat when looking across the coils.

The watch now works perfectly and I seem to have gotten it into a nice tight +/- 1 second per day accuracy. Originally I got it to +/- 5sec but decided to go for broke.

This is a 40+ year old watch and I am tickled pink that it runs so accurately Thumbs up!
SubjectAuthorViewsPosted

Must have been quite a while... Jpeg Attachments

Pawl_Buster143March 24, 2014 07:05PM

Welcome back! It's great to see that you got that beautiful watch...

saskwatch31March 26, 2014 05:25PM

Very nice watch and very interesting tips for movement! SmileThumbs up! (n/t)

IF35March 25, 2014 01:31PM

Thanks...sometimes we're just lucky Cheers! nt (n/t)

Pawl_Buster28March 25, 2014 07:57PM

Wonderful news, and so good to see you here, Peter! (n/t)

Anonymous User23March 24, 2014 08:54PM

Re: Wonderful news, and so good to see you here, Peter!

Pawl_Buster25March 24, 2014 10:55PM

smile (n/t)

Anonymous User24March 27, 2014 06:52PM

Nicely done Thumbs up! (n/t)

BobbyMike18March 24, 2014 07:59PM



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