I work a lot on small caliber (ladies watch size) movements but still have mishaps with the balance hairspring. These hairsprings are very fragile and easily bent and removing/replacing the balance assembly seems to be my problem. I would like any comments on the risks of deforming the hairspring by allowing the wheel to dangle during handling. I would also like to know if the position of the regulator arm/pins has any effect re risk of deforming the spring, should it be close to the stud or as far a possible from the stud, I normally leave it where I find it so the timing is close to what it was before dis-assembly. Any advice on techniques etc will be much appreciated.
I am correcting a deformed hairspring and need to set the curve for the regulator pins. De Carle mentions using curve-forming tweezers, which I cannot yet find. What are the alternate practices for forming this curved portion of the over curve?
Question for those who work on Vintage Timex watches:
I've restored several Timex pieces from the late '60s to the late '70s. The technique I learned (from Internet posts and tutorials) say to simply loosen the dial-side balance pivot by unscrewing it 1/2 turn prior to cleaning the entire movement in an ultrasonic cleaner. This method contradicts the official Timex service manuals, which state that the balance should be removed, cleaned separately and reinstalled. Thus preventing the hairspring form being damaged in the ultrasonic cleaner.
My experience is this:
Leaving the balance in place (slightly loosened) is much easier and will work on the standard movements used in the '70s (M24/25, M32/33, M104, etc.)
Attempting the same method on movements from the '50s and '60s (M22, M29, etc) will result in a kinked hairspring that is damn near impossible to un-kink.
So my question is this:
What do you experienced Timex restoration experts recommend? Leave the balance/hairspring in the movement for cleaning, or take it out to soak in a separate jar?
Is the potential for hairspring damage greater when removing/reinstalling the balance - in comparison to leaving it in place?
I've messed up a couple of vintage movements that I really wish I hadn't. I don't want to make those mistakes again.
Thanks for any insights!
I recently had the pleasure of finding a damaged hairspring needing care. My first! It’s an inexpensive orient watch, gaining 20 minutes a day. I am taking Mark’s fault finding course, and have other inexpensive hairsprings to practise with. I also got some vintage tools I’d love to use. Until now for me levellers were only the Oliver Cromwell people, but ebay never ceases to surprise...
I could pass the first stages of correcting the coil, with two tweezers. But could not find a use for the vintage tools. Could you help me to figure it out?
Picture 1 is the bent hairspring
picture 2 and 3 the box of tas levellers
picture 4 is the hairspring suffering under my tweezers now
picture 5 shows the tip of the tools
picture 6: from De Carle. Would this be the purpose of the levellers? The overcoil?
Is there a 'golden rule' relating to relocating a hairspring onto a balance staff with regards to getting zero beat error after it has been removed for attention. I usually take pics or use marker pen but sometime forget!
I'm not sure about that now. I will need to check it out when I go over his house. I was sure the main spring was oiled to much and it was slipping. But since you can wind it and it works fine. It has me puzzled. Maybe he replaced the main spring with a stronger strength spring.
My brother had his Raymond Weil watch cleaned at a local watch repair shop. And now it won't stay running over night. The repairman says he is not moving enough during the day. He never had this problem for the ten years he owned the watch until now. It does run all night if you manually wind it. Any thoughts on what has happened.
Hello. I have recently assembled a watch using a seagull copy of an ETA 6497. I’ve noticed if the watch sits still for a while I have to shake it to get it started again. I was wondering what might be the cause of this and how I might could resolve the issue. Thank you
My first post here...! Can anyone advise me on the best way to remove the movement from this clock please? The winder and other parts in the rear are stopping me taking the movement out. I cannot see an obvious way to remove the winder and hand adjuster. Can anyone help please?