Jump to content

Chronostop Hairspring Help!

hubcityvintage
 Share

Recommended Posts

hubcityvintage Member

hubcityvintage

Posted
Posted

Hey guys! New here and was wondering if anyone knows how to reattach the hairspring to its post. It's through the guides okay but has slipped out of its attachment. I wish I knew better terminology! There is a screw which I'm certain sets the tension, and what looks like a split pin that holds the spring in place. Geo? I saw where you have some experience with this. Watch was running a little fast and when I tried to adjust the spring it slipped out! Any help is very appreciated. I have some experience tinkering, but no formal training. Spring looks good otherwise! Thanks!

Link to comment
Share on other sites
Horlogerie Member

Horlogerie

Posted
Posted

Photo's would be a big help.

It is either pinned or glued. If it's pinned you will see a tiny pin and a piece of the hairspring where it broke off. For those you need to remove the pin and broken hairspring, re-insert the hairspring in the hole and re-install the pin to secure it in place making sure that it all lines up properly. Not an easy task at the best of times.

If it's a glued in type, it's a bit easier, you need to clean out any remaining glue from the stud carrier, then apply a small amount of epoxy and reinsert the hairspring and line it all up and let it harden.

Link to comment
Share on other sites
Geo Distinguished Member

Geo

Posted
Posted

Here's picture of one I purchased with a faulty hairspring.  I have a new complete balance/hairspring assembly to replace this one, but not before I practice a bit of manipulation on the old one.

 

post-124-0-03234800-1427790536_thumb.jpg

Link to comment
Share on other sites
hubcityvintage Member

hubcityvintage

Posted
  • Author
Posted

Geo, it's a cal. 920 "driver" like yours. What I need is a pic of the under side of the of the bridge to see how the hairspring is oriented where the pin and stud is. I'm guessing it's the pin type. There is def a type of pin that is inserted into a whole and I'm guessing the screw in your pic is what applies tension to that pin. I just don't know how it looked before it slipped out. I'm headed to work soon so I will post pics if I can!

Link to comment
Share on other sites
 Share
Go to topic listing


  • Recently Browsing

    • No registered users viewing this page.

  • Topics

  • Posts

    • noirrac1j
      Rolex 2235 escape wheel jewel setting replacement

      By noirrac1j · Posted

      Hell0 @nevenbekriev. Thank you for your advice. I have removed the old setting using my staking set--I will keep the KIF spring, since it is still good.  I am awaiting the replacement setting, and will update when I do that. In the mean time, I looked at the escape wheel and it looks ok. What do you think?    
    • Hawaiikook808
      Seitz Tool - Help determine if Seitz or not

      By Hawaiikook808 · Posted

      Aloha All, I recently bought this Seitz tool on eBay, but it is missing some pushers reamers.  I ended up ordering new parts for those that were missing before I received the actual Seitz tool (bad idea).   Upon inspecting the pushers/bits, I noticed 23 of the 56 provided with the set had no numbers. Further inspection revealed a huge difference in the quality of those unnumbered.  Do all Seitz pushers/bits have a number on them?  I'm pretty sure that 33 of the 56 I received are cheap Chinese knockoffs.  The worst part is that I ordered $80 of parts to replace the missing pushers/bits, and now I'm looking to return the tool. I'm not crazy, right? If these are Seitz parts, they should all be numbered, correct? The first two pictures are the Seitz (numbered), and the other pictures are the suspect parts.  Will I even be able to get a refund?  Thanks, Frank     
    • luiazazrambo
      WWW Eterna sucked me in.

      By luiazazrambo · Posted

      It was £10 + min fee, total £16, could not leave it there. Its a Stanton A.D.2. http://stanton-instruments.co.uk/
    • Geotex
      Generic screws for unknown movements

      By Geotex · Posted

      Chief- The picture below shows the three parts from the dial side that are most useful to "fingerprint" a movement in conjunction with the diameter of the movement.  That's why forum participants are always asking for dial side photos in posts asking for identification.  As far as the setting lever screw, it actually sits loose in the main plate. The threads engage the setting lever below, and the elongated stem above the shoulder sticks through a hole in one of the bridge plates so that it's held captive if unscrewed all the way.  So you may be fine as far as that goes. 
    • Chief
      Generic screws for unknown movements

      By Chief · Posted

      So I found what I believe is the setting lever screw! Am I right in thinking the screw next to the click is the correct one for the setting lever? However if it is, it doesn't fit in the hole which I believe is for it! I can get the lever to sit nicely on the stem and line up with a hole, but the screw only goes as far as the shoulder and stops. It's as though the hole is too small! The dial side has been disassembled by the way, the other wheels are in my tray
×
×
  • Create New...