Are Gruen pocket watch mainsprings tough to locate?

Thread: Are Gruen pocket watch mainsprings tough to locate?

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  1. #1
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    Are Gruen pocket watch mainsprings tough to locate?

    I ask because I sent my great grandfather's Gruen Verithin to be serviced 3 or 4 months ago and I'm still awaiting its return. They contacted me yesterday and told me that the only part that they are still waiting on is the mainspring. Now, I'm not really sure what mainspring it uses, but should it really take this long to locate one?

    Thanks for your insight.

    Here's a photo I took of the movement (17j, 5 positions, blah, blah) before I sent it out. Hopefully someone can identify it?

    Last edited by ImitationOfLife; January 27th, 2011 at 03:02.

  2. #2
    Member trim's Avatar
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    Re: Are Gruen pocket watch mainsprings tough to locate?

    Its a V4, 17 ligne movement. From around 1917.





    They also had VE, V1, V2, V3, V3.5 all which were even better. Gruen really was tops back then.

    I can't see why a mainspring would be hard, but then I haven't tried to source one myself...
    Last edited by trim; January 27th, 2011 at 01:56.

  3. #3
    Member AbslomRob's Avatar
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    Re: Are Gruen pocket watch mainsprings tough to locate?

    According to Bestfit, it uses a 5x5x18.5 mainspring. Jules Borel has them listed as in stock for $10.95 (9.95 if you buy three or more! Stock up now and save!)
    My growing collection of "affordable" vintages: http://www.abslomrob.com

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  5. #4
    Member MikeTheWatchGuy's Avatar
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    Re: Are Gruen pocket watch mainsprings tough to locate?

    If you want to go with original parts (note steel mainsprings), as I typically do, the V7 mainspring also fits the V1. Being a Gruen nut, I try to stock all the various original parts for all the watch calibers. These originals not too difficult to locate but it does take a bit of searching or buying a parts lot that contains them.

  6. #5
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    Re: Are Gruen pocket watch mainsprings tough to locate?

    I think it's taking so long because I asked that they use original parts, but now I'm a bit confused because you say that they aren't too tough to find.

    Thanks for the info everyone.

  7. #6
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    Re: Are Gruen pocket watch mainsprings tough to locate?

    I wouldn't be too worried about originality of the mainspring. They were very much a commodity item at the time and replaced quite often.

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