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I've given up on the idea of a comprehensive, affordable set of mainspring winders. A new spring is cheap and goes in so easily! By no means am I  an expert with hairsprings, but repairing them i

You wouldn't. It's about barrel sizes. The ETA set is sized (and I'm sure labeled) according to common ETA movements. Generic sets are sized by unit measurements (mm). If you do a lot of ETA stuff, it

Just found in a chronograph barrel. Apparenly put in by hand, too ? Frank  

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9 minutes ago, richiesgr said:

Is it ok to ask why ?

Sure, it is ok.  Have not invested a lot of brain power into my choice. I always pick the K&D winder because: 1) it is well-engineered, 2) adjustable, 3) always works for me,  and 4) it in the front of the drawer!!  Why my dad bought four different sets of winders is a mystery to me.  I do not recall which one he used regularly.

If all I had were the Master-Craft, I am sure I would be happy with them.

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14 hours ago, LittleWatchShop said:

I have one of these...never tried it.

LGMainspringWinder.jpg

I have one also, and it works best for wrist watches, but it does work well once you get the hang of it.  

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I have used both the K&D and Watchcraft styles. In my opinion they both are unnecessarily finicky. In addition to this it isn’t unusual to find that these kits have hooks that are almost unusable. They are almost useless for automatic and modern mainsprings. They have caused me a lot of frustration. 
 

If I could give any advice I’d say buy a complete and new Bergeon set if you can afford it. They are beautiful to work with and make the process seamless. Wish I bought mine much earlier.  
 

Cheers 

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22 minutes ago, LiamB said:

have hooks that are almost unusable

If you are referring to used Ebay purchases...I would generally agree.  However, I have found it relatively easy to refit the winding arbor with a new pin.  I drill out the old pin and turn a new one on the lathe and then insert it.  Without a lathe, this might be a challenge.

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  • 2 weeks later...
On 4/28/2021 at 4:00 AM, LittleWatchShop said:

I have one of these...never tried it.

LGMainspringWinder.jpg

An ingenious tool from a vanished past. It is amazing how the folk of those days used to think and build tools. I bet with enough practice you could use this for any spring size.

If someone like me made a mistake while winding it, would it hurt? Likely to happen multiple dozens of times. Someone like me as in a person of very poor skill.

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