Jump to content

Non removable balance jewel?

Fred

By Fred
in Watch Repairs Help & Advice

 Share

Recommended Posts

Fred Watch Enthusiast

Fred

Posted
Posted

Hi, I'm working on this Ronda 217 movement and I couldn't figure out how to take the jewel off the balance cock. Are these designed to be disposable?

Any idea how to clean and oil it properly?

Thanks alot 

0425181928c.jpg

0425181928a.jpg

Link to comment
Share on other sites
clockboy Distinguished Member

clockboy

Posted
Posted
11 hours ago, Fred said:

Hi, I'm working on this Ronda 217 movement and I couldn't figure out how to take the jewel off the balance cock. Are these designed to be disposable?

Any idea how to clean and oil it properly?

Thanks alot 

0425181928c.jpg

0425181928a.jpg

That's a new one for me. It looks like it could screw off. However if not you will have to clean buy soaking in a dish with a de-greasing fluid and then agitate with a blower. Then dry & then lube with a auto oiler. 

Link to comment
Share on other sites
Fred Watch Enthusiast

Fred

Posted
  • Author
Posted

Thanks for the replies everyone.

I will try the unscrewing and see if its possible.

What I did is just clean in an ultrasonic and naphta and oiling it from inside which was very tricky because I couldn't figure out how to remove the hairspring from the balance cock.

I will look into it again.

Thanks alot

Link to comment
Share on other sites
rogart63 Distinguished Member

rogart63

Posted
Posted
18 hours ago, Fred said:

That would be great if you could do it.

It's removable but i wouldn't do it. Found this balance so i took it apart. The jewel is one part . And there is no thread in there . In order to remove the balance i had to remove the arms . To clean just put complete part in ultrasonic bath. And oil the jewel from the inside. 

DSC09671.thumb.JPG.786a01ac3ae5aacadcec8ebc61c39ac9.JPGDSC09670.thumb.JPG.cbade49aaaf8428cf02c62350a9305ea.JPGDSC09672.thumb.JPG.d2cb6048b606458561b0c87105a86452.JPGDSC09673.thumb.JPG.0aaf8a5cab24c57e6a39d93dbfedf300.JPG

Link to comment
Share on other sites
Fred Watch Enthusiast

Fred

Posted
  • Author
Posted
6 hours ago, rogart63 said:

It's removable but i wouldn't do it. Found this balance so i took it apart. The jewel is one part . And there is no thread in there . In order to remove the balance i had to remove the arms . To clean just put complete part in ultrasonic bath. And oil the jewel from the inside. 

DSC09671.thumb.JPG.786a01ac3ae5aacadcec8ebc61c39ac9.JPGDSC09670.thumb.JPG.cbade49aaaf8428cf02c62350a9305ea.JPGDSC09672.thumb.JPG.d2cb6048b606458561b0c87105a86452.JPGDSC09673.thumb.JPG.0aaf8a5cab24c57e6a39d93dbfedf300.JPG

Thank you Rogart63 for doing this. I'm gonna follow this procedure. 

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


  • Similar Content

  • Recently Browsing

    • No registered users viewing this page.

  • Topics

  • Posts

    • pc1093
      raketa watch Movement Removal

      By pc1093 · Posted

      I have removed the stem and open the case. The Movement can't drop out but it can be rotate Anyone has idea THANK YOU
    • deni2s
      Roland Ranfft RIP

      By deni2s · Posted

      Not a family member, and yes, it no way near as good, as some information got lost from original site and some information got incorrectly copied. The original site is available as iOS app here: https://apps.apple.com/fi/app/ranfft-watch-movements-archive/id6502008939
    • Hawaiikook808
      Seitz Tool - Help determine if Seitz or not

      By Hawaiikook808 · Posted

      Outstanding, Marc! Your information is really helpful and clears this up, especially given that yours were purchased as sets. Thanks, man. So, it appears I jumped the gun on this one, but I am relieved. I will say, though, that all of my reamers and concave pushers are number-stamped and appear to be of better quality.  Also, the bayonets on my pushers are actually the same color as the steel.  The next thing to do is restore the heads of these pushers with some polishing paper.  Alex at the Watch Repair channel has a nice little video on this.   I appreciate your help! Frank      
    • Marc
      RANFFT Database is down!!

      By Marc · Posted

      Just installed it on my iPhone (my only iOS device) and it appears to be intact and functional. I may have to go out and buy myself an ipad just for this app.
    • Marc
      Seitz Tool - Help determine if Seitz or not

      By Marc · Posted

      I have two Seitz sets, one ancient (with the 3mm anvils) and one just old (with 4mm anvils) plus a collection of spare pushers of assorted vintage. Not one of them is marked with it's size. Something which I have found very irritating when I have been using the tool and not returning pushers to their correct place in the tray every time as it means that I have to get the calipers out and measure them. These were bought as sets and collectively I have over 100 pushers so it would seem highly unlikely (if not inconceivable) that they are all cheap knock offs, especially as they are old enough to pre-date the prevalence of the Chinese knock off industry (at least as applied to watch making tools). I therefore believe them to be original Seitz parts. And there is no numbering. The shape of the bottom of the pump pushers is the same as your photo. The only thing that may not be the same is that the slotted insert (looks like a screw but is in fact a bayonet) should be brass. Yours looks the same colour as the steel but that could just be the lighting.
×
×
  • Create New...