Jump to content

My mecanical watch stops spinning after 30 minutes?


Recommended Posts

Hi everybody !

I'm really new to this fabulous hobby that is watchmaking and I would like to know if somebody is capable of helping me 

(I can make some mistakes in english and i am sorry for that).

Now my problem is:

I wanted to make a service for an old ''Lorsa caliber P62''. Everthing was fine until the moment when I winded up for the first time after the rebuild. The movement can't hold 1 hour!
Then I decided to take a look at the mainspring: Nothing bad but I ordered a new one with the right dimensions just in case. After receiving my new mainspring, same results:
It's spinning 10/20/30mn and suddenly slows down and slows downs smoothly, until it completly stops.
I really don"t know what can happen? Everything seems to spin freely, no dust or over oiling...

All that said, if I really wanted to wear this watch and not worry about, I won't be there to ask some help: I have a local watchmaker on my city.
But I really want to understand and fix this watch by myself. It's a 20$ watch that I bought to disassemble and re-assemble for the sake of science! If she's broke, it's ok but if I can find what the issue is, It's fabulous!

So here it is! If anybody had already faced this strange issue, let me know how can I fix it or what can cause this ! 

Thank you very much and have a nice day !

Link to comment
Share on other sites

17 minutes ago, Akalit said:

Hi everybody !

I'm really new to this fabulous hobby that is watchmaking and I would like to know if somebody is capable of helping me 

(I can make some mistakes in english and i am sorry for that).

Now my problem is:

I wanted to make a service for an old ''Lorsa caliber P62''. Everthing was fine until the moment when I winded up for the first time after the rebuild. The movement can't hold 1 hour!
Then I decided to take a look at the mainspring: Nothing bad but I ordered a new one with the right dimensions just in case. After receiving my new mainspring, same results:
It's spinning 10/20/30mn and suddenly slows down and slows downs smoothly, until it completly stops.
I really don"t know what can happen? Everything seems to spin freely, no dust or over oiling...

All that said, if I really wanted to wear this watch and not worry about, I won't be there to ask some help: I have a local watchmaker on my city.
But I really want to understand and fix this watch by myself. It's a 20$ watch that I bought to disassemble and re-assemble for the sake of science! If she's broke, it's ok but if I can find what the issue is, It's fabulous!

So here it is! If anybody had already faced this strange issue, let me know how can I fix it or what can cause this ! 

Thank you very much and have a nice day !

Hiya matey. It could be many things. How specific in time is the stopping of the watch ?  Is the stopping of the watch in dial up position only ? How do you restart the watch ? With a shake ?. One posible cause could be a very poor beat error that is allowing the watch to run a short lengrh of time only. Do you own a timegrapher to check this ? There are other ways if you do not have one. 

Edited by Neverenoughwatches
  • Like 1
Link to comment
Share on other sites

24 minutes ago, Neverenoughwatches said:

Hiya matey. It could be many things. How specific in time is the stopping of the watch ?  Is the stopping of the watch in dial up position only ? How do you restart the watch ? With a shake ?. One posible cause could be a very poor beat error that is allowing the watch to run a short lengrh of time only. Do you own a timegrapher to check this ? There are other ways if you do not have one. 

Hey thank you for your quick answer !!

 

So,

the watch is stopping in winding position but the crown can spin freely without noise or grip on both position. I don't think the probleme is here.

I restart the watch by re-winding it, but since the movement previously stopped, the balance wheel stays ''stuck'' (It didn't start spinning right after the winding). Then I try to move and touch some of the gears and it start spinning again!! It really depend on what I carefully touch with the tip of my screwdriver. I don't think it is a problem of a piece that can be bend or stuck by dust, because when I remove the whole barrel everything is spinning smoothly: I even can move easily the balance wheel with a little bit of air or by turning the movement on itself.

I sadly do not own a time grapher. If it was a beat error, what can be the cause? I mean, what, in the watch, do not allow the movement to run 24 hours? The pallet fork?

My theory is a mis-alignement of gears but like i said, everything moves freely and if something was bend, the movement shouldn't spin at all, right? Not 30min and then stop... Right now the movement is spinning for about 1 hour now but I know it gonna stops soon...

 

Maybe I am all wrong and I still have a lot to learn (for sure) but from my understanding of basic mecanics, there's something I don't get!

 

Thank you very much again for trying to help me 🙂

 

Link to comment
Share on other sites

1 hour ago, Akalit said:

really depend on what I carefully touch with the tip of my screwdriver. 

Hi. If i can give you my first piece of advice before trying to solve the movement issue.  As beginner it is best not to do any prodding or poking inside a movement with something hard like a screwdriver or tweezers. The ideal material to use would be some rodico that you can roll up very thin, if not that then a small piece of plastercine or putty but bere in mind this can leave a tiny oil residue. If neither of those then the  very fine tip of an artists paintbrush.

Link to comment
Share on other sites

1 hour ago, Akalit said:

the watch is stopping in winding position but the crown can spin freely without noise or grip on both position. 

Sounds like the fault is in the keyless.

Would it wind if you try winding through the ratchet wheel screw?   Be careful, avoid full wind and forcing the screw, one turn (360 degrees) will do. 

Regds

 

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

 Share



  • Recently Browsing

    • No registered users viewing this page.
  • Topics

  • Posts

    • Ladies and gents, I found the most awesome old gold watch chain!  It has spring links!  I am always so careful with my antique pocket watches, and still fear to drop them, even while on a chain. I've re-staffed a number of balance wheels that no doubt suffered a similar fate. But this chain has lessened that fear somewhat.  So my "watch of today" was my beautiful Elgin 339 clipped to this chain.
    • For me, there’s no binary yes/no answer to this. It really is a matter of feel, experience, inspection under magnification, the age of the movement and what a replacement costs vs invested effort to “revive” it that all play a role determining the answer above. For an Omega 56x series reverser wheel you’ll spend more time trying to revive a reverser (which, by the way is also much more serviceable, but also harder and more expensive to find a replacement for) than you would an a Sellita SW200 where replacements are cheap and easy to find.
    • That's what I did after my Pearl machine stopped working. I've run about 5 watches through it so far and get results as expected. One interesting note is that their customer service says the machine comes with a 2 year warranty but that is not indicated on the website and when asked via email they are unable to provide a copy of the warranty, which I believe runs counter to US federal law 🤷‍♂️  Luckily for me the service center they use for repairs is local to me so if I ever do need to have it serviced I won't have to ship it in its HUGE box.
    • @JohnR725I live in a “3rd world” country (South Africa) and even here you can’t make a middle class living charging $120 to service a watch. I make many times that spending that same amount of time in my day job. But quote the average someone $200 to service their inherited vintage Omega (that stopped working 20 years ago) and you’re told you’re effing mad. This is why watchmaking is dead as a profession in modern times; everyone wants that cool mechanical watch, no one considers what it costs to maintain it. A wrist watch is no longer an essential tool, it’s novelty jewellery. So I do it as a hobby, a make a few videos and I fix broken things. If this hobby can make a little money to at least contribute to its vast expenses then that’s a bonus. I have many other hobbies that are just money pits, so there’s at least that. Speaking of making videos: there’s a lot of criticism being levelled at YouTube watchmakers, either because they don’t show enough detail, or that they talk too much, or that they’re hacks, or whatever other negative thing you can imagine. But these YouTube watchmakers have done more to expose watchmaking to the average Joe than what any of the professional watchmaking institutions have ever done. Professional watchmakers scoff at these “hacks” in their comment sections but fail to see how these YouTubers create interest in the average Joe and turn them into enthusiasts. Anyway, enough rambling from me…
    • This Suizo 1950s AS1361N 10 micron gold plated Automatic got an outing today. It is a gents watch, but is quite a diminutive piece (as was typical for the time). It is also very well engineered. The plating has a few wear marks, but other than that it is looking pretty good for its age. There is one minor discrepancy though. The dial states 25 jewels but the rotor says 21 jewels. Oh well, I guess nobody's perfect. It got a new crystal as the old one had resisted my best polishing efforts, but still wasn't up to scratch. I also treated it to a period correct 17mm dark green leather band from a job lot of 1950s or 1960s straps I picket up recently.  Before you ask, no, I am not responsible for all of those scratches on the rotor, they were there long before I got my hands on it. Suizo is almost certainly a Achille Hirsch brand.  
×
×
  • Create New...