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Posted

I am now in trial stage to be able to repair oyster and jubilee bracelets.


I primarily talk about repairing the stretch and looseness in the links. Major injuries that required laser welding etc, have to wait until later.


 


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The tools that I have now is not from the shelf at Rolex or by the wholesaler. It is a toolmaker who has been kind to create some special tools that allows me to take the links safely apart, and that I can push them back together without creating damage. But they will not fix the amount of stretch in the links.


 


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The pins inside the bracelet is being sanded down after years of use. Muck and other stuff that get inside the links, is as abrasive as pins and link rub against each other. This allows both the links and the pins to ground down so the space inside the links gets bigger and bigger. It is said that the more often you clean the bracelet in an ultrasound cleaner, the better the bracelet stays nice and firm.


 


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For that gap to be repaired I must insert a tube on the pins that make the bracelet tight again. The links also have different size of the wear from one bracelet to another. There are also large differences in wear from link to link, so it needed a few different sizes of tubes to be used. These tubes are not exactly cheap in 316 SS so I waited a bit with the large orders for now.


Regarding President Links I must first find me a jeweler who can help me to both acquire gold, but also can shape it for me to into the right sizes.


 


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  • Like 2
Posted

Looking good . And looking forward to see the final result. I guess you have seen Michael Young and his bracelet repairs. If not search on google. 

Posted

Very impressive, any chance of a picture of the tool you had made

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    • Hello Tom and welcome to the forum.
    • Hah! Well, California will have to do. Lived in TX for a brief period back in the early 70s, though, so maybe that counts. 🙂 Funny you should mention making vacuum tubes- I've actually tinkered with that! It's REALLY tough to do, and I've never made one more complicated than a simple diode that barely worked, but I have played around at it. But there's just no infrastructure for vacuum tube fabrication. I can get a lathe and learn how to use it to make complex parts, and while it might take a while to learn- and money to get the equipment, of course- it is possible to do more or less "off the shelf". But vacuum tubes, not so much. There are a few folks out there doing some crazy cool work with bespoke tubes, but they have setups that are far beyond what I can manage in my environment and it's mostly stuff they built by hand. I also have been playing with making piezoelectric Rochelle Salt crystals to replace ancient vacuum tube turntable needles- nobody's made those commercially for probably 60 years. I'm a sucker for learning how to do weird things no one does any more so I can make things no one uses work again. (I think this is drifting off the topic of lathes, lol).
    • You shoulda been born in Texas. Tough to make a vacuum tube though. You can substitute with a MOSFET eq ckt I guess. I was playing around making a pinion the other day. More to it than meets the eye.
    • Well, turns out it was a fake bezel! The crystal is domed mineral glass and I was able to find a cheap replacement that should be here in two days.  I used my crappy little press to pop out the cracked crystal, Ill give the case a good cleaning in the meantime and do a once over on the movement.     
    • Early ‘90s Debenhams in Oxford Street at InTime Watch Repairs. The older guy was one of my mentors Mr John Campfield, fantastic ex-Omega watchmaker. Good times - black hair gone now! 😄
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