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Home » General Talk, Buying and Selling » For Sale/Wanted » Quadron mainspring (117-119)
Re: Quadron mainspring [message #7238 is a reply to message #7234] Thu, 08 September 2016 10:51 Go to previous messageGo to previous message
Thojil is currently offline  Thojil
Messages: 625
Registered: May 2013
Location: Arzier, Switzerland
Gruen Master
Agree with Jack. I prefer to fit new after market.

I have many Gruen original springs (unfortunately not for 117) but very often I find they have lost their capacity after so many years. I only fit old Gruen springs if that size is impossible to find new.
 
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