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Balance assembly

Henry1111111

By Henry1111111
in Watch Repairs Help & Advice

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Henry1111111 Member

Henry1111111

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Posted

Hello, I was wondering if anyone in the uk could help me with working out how much it would cost to have my pocket watch balance put back together and the jewel put back in secure. I don’t have a staking set so I can’t do it myself so if anyone could give me a quote to do it. Thank you

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mousekar Member

mousekar

Posted
Posted

Hello,

Welcome to the group! Just looking at your picture, your balance is going to require more work than just reassembly. The hairspring itself is no longer concentric and would either need to be put back into shape (which would require fine point tweezers, probably some previous experience doing it, and an AWFUL lot of patience), or you would replace the hairspring. If you replace the hairspring your gonna need some knowledge and experience to get it in beat with the balance wheel. The other question I would have was, why was the balance stem removed to begin with. You can remove the hairspring without removing the stem, which makes me wonder if the stem would also need to be replaced. 

Either way, I guess what I'm saying is...this issue is a complicated one, that's gonna require some real experienced repair person, and is probably not going to be cheap.

Wish I had those skills.....and tools.

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Nucejoe Distinguished Member

Nucejoe

Posted
Posted

Welcome to the forum.

Balance complete for it may be readily available.

If not and this is to be built into a balance complete, the piece itself is to be closely examined and repair cost easily vary, depending on the level of expertise delivered, staff availability etc,   Much depends on the brand as well.

A more comperihensive assessment is free on the forum if you post pix of the movement to be ID eed , or give the caliber.

No cost quote since this forum is a school. Plenty of free advice however.

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    • GuyMontag
      1972 Bulova President "E" Sea King 11ACACB movement

      By GuyMontag · Posted

      Yeah, I saw that in the tech sheet but I don't see how it can be adequately cleaned with the friction pinion still in place. I've accidentally pulled the arbor right out of the wheel once when I used a presto tool to try and remove it. Mark shows how he does it with the Platax tool. Those are a little too pricey for me so I got one of these from Aliexpress and I just push down on the arbor with the end of my brass tweezers. That usually gets it most of the way out and then I just grab the wheel with one hand the and the friction pinion with the other and gently rotate them until it pops off. Probably not the best way but it's seemed to work for me so far.    
    • Zedster
      Movement inserted from crytal side

      By Zedster · Posted

      Thanks, Jon Sounds like a plan. Obviously I'll have the face on so do you think gripping with the holder will create any problems, but I will check in the morning to see how feasible it is but I assume it only needs to be lightly held. As for holding the movement instead of the holder won't be possible in this scenario as one hand will be puling on the stem while the other pushes the spring down. That was my initial concern is how the hell can I do this with only one pair of hands. All the other times I've had to remove the stem hasn't been a problem, apart from the force required to release the stem from the setting lever, but now I need to fit the face and hands its sent me into panic mode. If it had the screw type release things would be a lot simpler but that's life 😀       
    • nevenbekriev
      Main spring

      By nevenbekriev · Posted

      Hi Jon, do You think that relation spring torque - amplitude is linear? I would rather guess that the amplitude should be proportional to the square of the torque. I had once idea to check it, but still haven't.
    • ManSkirtBrew
      1972 Bulova President "E" Sea King 11ACACB movement

      By ManSkirtBrew · Posted

      I did not. I thought about it, but I had cleaned it in my ultrasonic, and the tech sheet shows lubricating it in place already assembled, so I figured discretion was the better part of valor. Although since I have to depth the jewels anyway, maybe I pull the pinion off to rule it out 100% as part of the problem. Do you know if there's a safe way to do it? I don't want to use a puller because it would push down on the plane of the wheel, and that seems like a Bad Idea. I thought about using a roller table remover, but I don't think I have a hole stake pointy enough to push it down.
    • oldhippy
      Movement inserted from crytal side

      By oldhippy · Posted

      Before putting it back in the case I would fit the hands and use a pin vice on the stem to make sure the hands were in line. 
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