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New Video Series - Vintage Waltham Wristwatch With Bent Hairspring

Mark

By Mark
in Watch or Horology Related Videos

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Geo Distinguished Member

Geo

Posted
Posted

Thanks for another excellent repair video Mark.

It was nice to see an old vintage watch being worked on for a change. There were a few interesting things that I haven't come across, like the keyless work and barrel assembly, these are now filed away for future projects. :-)

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WillFly Distinguished Member

WillFly

Posted
Posted (edited)

Lovely stuff, Mark - a grade 360 Waltham from 1907. A very nice 7-jewel movement indeed.

 

I was once bitten when buying an early Waltham. I bought it knowing that the crown was missing - but what I didn't know was that, with watches of that vintage, the crown and stem were integral parts of the case, not the movement! And it's very difficult to get hold of cases from that vintage...

Edited by WillFly
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      1972 Bulova President "E" Sea King 11ACACB movement

      By ManSkirtBrew · Posted

      Oh nice. I have a similar wedge style stump for my staking tool, so I'll give that a shot. Thanks!
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      By joelcarvajal · Posted

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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
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      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 😀   Another thing I will need to consider is once the dial and hands are fitted and the movement is sitting in the case I will need to turn it over to put the case screws in. I saw a vid on Wristwatch revival where he lightly fitted the crystal and bezel so he could turn it over, is this the only option or is there another method?      
    • 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.
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