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Vostok 2409 mainspring or barrel complete?

Simeon
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Simeon WRT Addict

Simeon

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I am looking for a mainspring or barrel complete for a Vostok 2409. Ideally new but good condition will be OK.i can see them for sale (prices in Euro) on Vostok-24 but not sure I can get them posted to Australia.

Alternatively does anyone know the mainspring specification/ size and whether or not there's a suitable GR Swiss mainspring? The GR documents on Cousins only show 22xx movements.

AndyGSi Distinguished Member

AndyGSi

Posted
Posted
12 minutes ago, Simeon said:

Alternatively does anyone know the mainspring specification/ size and whether or not there's a suitable GR Swiss mainspring? The GR documents on Cousins only show 22xx movements.

Can you not just measure the old spring?

Simeon WRT Addict

Simeon

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3 minutes ago, AndyGSi said:

Can you not just measure the old spring?

Yeah, I can. I am just trying to be lazy.

My old mainspring had a bent terminal end, it looks like the bridal broke off at some point. Just reinstalled it in a serviced movement and now it is slipping when wound rtiht (it didn't do that previously). I wanted to see if I could get a replacement because I don't trust the one that's installed in the barrel. I could take it out and see if I can get it to stop slipping again. (Maybe install a piece of broken spring into the fold to try and make a loose bridal to grip the barrel wall).

AndyGSi Distinguished Member

AndyGSi

Posted
Posted
1 hour ago, Simeon said:

Yeah, I can. I am just trying to be lazy.

My old mainspring had a bent terminal end, it looks like the bridal broke off at some point. Just reinstalled it in a serviced movement and now it is slipping when wound rtiht (it didn't do that previously). I wanted to see if I could get a replacement because I don't trust the one that's installed in the barrel. I could take it out and see if I can get it to stop slipping again. (Maybe install a piece of broken spring into the fold to try and make a loose bridal to grip the barrel wall).

They're readily available here in the UK and know I've got some somewhere
but not sure what eBayers would ship and charge to Australia.

mikepilk Distinguished Member

mikepilk

Posted
Posted (edited)

I have a Vostok Komandirskie 17J Cal 2414 - same as 2409 but with date. 

I serviced it a couple of years ago and added a new mainspring. Looking at my notes. I used :

GR3126  1.25 x .105 x 320 x 9.5

BTW, the lift angle is 42°

I've looked in all the usual places - Cousins, GR database etc but I can find no reference to the mainspring size, so I'm not sure where I found it. I suggest you measure your spring before ordering.

 

Edited by mikepilk
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Simeon WRT Addict

Simeon

Posted
  • Author
Posted
10 hours ago, mikepilk said:

I have a Vostok Komandirskie 17J Cal 2414 - same as 2409 but with date. 

I serviced it a couple of years ago and added a new mainspring. Looking at my notes. I used :

GR3126  1.25 x .105 x 320 x 9.5

BTW, the lift angle is 42°

I've looked in all the usual places - Cousins, GR database etc but I can find no reference to the mainspring size, so I'm not sure where I found it. I suggest you measure your spring before ordering.

 

Thanks Mike, I pulled the spring to add a loose bridal to it (it didn't work, still slipping) and measured the spring. I got measurements that tally with yours (at least for the depth and strength - the length looks about right considering that I didn't want to stretch it out and the end has been obviously remade at some point). The GR3126 has been helpfully discontinued so I am going to order a GR3127 which is the same dimensions but slightly longer at 340mm. There is also a GR3125 at 1.25 x .105 x 300 x 9 but not sure if it's better to go with a longer or shorter spring length.

AndyGSi Distinguished Member

AndyGSi

Posted
Posted
4 hours ago, Simeon said:

Thanks Mike, I pulled the spring to add a loose bridal to it (it didn't work, still slipping) and measured the spring. I got measurements that tally with yours (at least for the depth and strength - the length looks about right considering that I didn't want to stretch it out and the end has been obviously remade at some point). The GR3126 has been helpfully discontinued so I am going to order a GR3127 which is the same dimensions but slightly longer at 340mm. There is also a GR3125 at 1.25 x .105 x 300 x 9 but not sure if it's better to go with a longer or shorter spring length.

It depends if you've got winders or not as the GR3127 may need to be rewound to fit in the barrel.

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