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By Bill3
This is an addendum to my question above. I have included a picture that I left out of my question. I also want to say that the watch was demagnetized.
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By Engineer
The oscillator, or something, in my automatic wrist watch seems to be greatly affected by outside temperature (summer vs winter).
It seems to run fast in the summer, and even faster in winter (The manufacturer said they could adjust it).
Q: Is this difference with temperature normal/possible?
and
Q: What would cause this? [a poor choice of hair spring material (stiffer in cold = higher rate)??? a poor choice in lubricant???]
Thoughts?
As an Engineer, I like to understand causes and effects.
As far as my watch is concerned, I will be surprised if there is a year round fix.
-E-
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By Carramrod
I'm relatively new to mechanical watches and have quickly become fascinated but have an elementary level question that hopefully someone can answer.
If the hairspring and balance wheel come to a complete stop due to the main spring running out of power, what is it about winding that sets the balance wheel back into motion? I understand the way the escapement works once it is in motion to input a small amount of energy into the balance wheel, but don't understand how winding alone sets it back into motion. I know with grandfather clocks you have to restart the pendulum manually and I'm wondering why this isn't the case for watches also. TIA.
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By toptime810
I bent the hair spring attempting to turn the hair spring collet to line up the roller jewel with the pallet fork. Manipulated it and this was the end result. I had to pat myself on the back.
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By GeorgeClarkson
As per the title, I was checking why my Gigandet Valjoux 7733- based chrono was not working today, and noticed that the hair spring got loose from the small insert that connects it to the balance cock (what's its name again?) Taking a closer look, it appeared to have been fixed with schellac, but I am not sure. Would this be normal, if so?
So now I need to find a way to reinstall the hair spring inside the stud. Heating it gently could be the way, but I am afraid I will only riun the hair spring if not careful enough...
Ideas? Comments?
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No, it looks like that in the pic but that was just some black grease like substance that was on the top of the wheel when i opened it. Currently that is cleaned off. Ratchet wheel works great and the are no broken teeth.
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By HectorLooi · Posted
You can get the cheap China made hand levers then slowly thin down the edge to a knife edge with a smooth oil stone. That is what I'm using at the moment. Another technique used is to insert a large oiler into the collet slot and twist it and screw it off the balance staff. -
Razor blade, kitchen knife, levers, 🛠️, ⚔️, ✂️ sounds very dangerous, but whatever makes you happy. I find that many balance wheels / collets are so tiny, that I can only use one or two 0.5mm flat screwdrivers to lift or "unlock" & lift those collets.
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I may need to correct myself. For an easy repair the crown stem must be of the threaded type and the repairer able to remove the stump from the crown - but I can't see enough about this in your picture. There are good techniques to do that, but if he won't be able to, he will want to replace the crown as well, which being of the screw on type may be difficult or impossible to find identical to the original. You might even hear about the claimed need to replace the pendant tube as well, and be given an estimate higher than the material value of the watch. Good luck.
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Question
Bill3 6
Once again I am asking for help. I cleaned an Illinois pocket watch. It was running well, but had a lot of lint and other debris inside. I cleaned the balance wheel and hair spring without taking the hair spring off. Cleaning was done in lighter fluid in an ultrasound machine. The movement was cleaned in an ultrasound machine using watch cleaning fluid followed by two rinse soakes. Everything went back together well. When the balance cock and hair spring were placed the spring was not parallel to the plate. None of my manipulation could make it so. If the balance wheel is manually the escape wheel moves normally, but the watch will not run. When not in the watch the hair spring is parallel to the balance wheel.
I have included pictures. The one from the side was meant to show the h.s, but is hard to see.
Thanks in advance for your help.
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