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Vostok Volna (2809 precision)

szbalogh
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szbalogh Super WRT Addict

szbalogh

Posted
Posted

It has been a while since i have posted here, but now i have a real specialty for You :)

Vostok Volna (wave) is added to the repairing/restoring queue. This special movement has a fine rate-regulator, indirect second AND indirect minute wheels!!! Moreover, the watch is not stopping if the second wheel is stuck into something. Other special features are the capped escape, second and 3rd wheels (at the dial side only the escape wheel is capped... lol)! The escape wheel is under the balance allowing a bigger balance wheel. 

The gear train was locking, hence the watch was not working. After closer inspection it turned out that most of the ratchet wheel teeth are gone... and the broken pieces were all over in the gear train stopping the movement. After removing the debris it started ticking again.

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  • 2 weeks later...
anilv Distinguished Member

anilv

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Posted

Nice movement.. I've got two of them somewhere. Only problem is the poor case and hands. The base metal case is really at odds with what I think is a fine movement. The hands on mine (both) are loose and go out of flat if jarred. Problem is its quite thin and using a stake etc doesn't work well here.

 

Anilv

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      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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    • GuyMontag
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      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.    
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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
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      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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