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Re: Gruen 707 mainspring needed [message #5198 is a reply to message #5189] Wed, 04 March 2015 21:56 Go to previous messageGo to previous message
Thojil is currently offline  Thojil
Messages: 625
Registered: May 2013
Location: Arzier, Switzerland
Gruen Master
I checked my stock and I do have an original Gruen packaged one. The only concern I have is whether the spring is still ok. My experience is that 50% of these "new" old stock springs have lost their capacity and if you can find the same dimension new you're much better off. I most of the time fit new springs nowadays unless the dimensions are impossible to find.

Anyway I got one in case you want it.
 
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