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NOS Gruen Mainsprings [message #16026] Thu, 20 January 2022 20:16 Go to next message
dpn is currently offline  dpn
Messages: 102
Registered: July 2020
Location: Sacramento, CA
Gruen Guildsman

Hi everyone,

I'm having my green gold Gruen Pentagon serviced and needed to source a NOS Gruen mainspring for it. I needed to buy a lot containing several NOS Gruen mainsprings in order to get the one I was looking for. Luckily, the lot wasn't expensive!

I have no use for the other mainsprings from this lot -- please drop me a line if you'd like me to mail any of the other mainsprings shown in the photo below. These are free to anyone in the forum.




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Custom ETA 6498-1 Marine Watch
Rolex Ref. 1002 Oyster Perpetual (1963)
Rolex Ref. 126610LN Submariner Date (2021)
Seiko SKX779 (Black Monster)
Gruen 14k Green VeriThin Pentagon (~1925)
Re: NOS Gruen Mainsprings [message #16027 is a reply to message #16026] Sat, 22 January 2022 06:02 Go to previous message
JackW is currently offline  JackW
Messages: 1834
Registered: May 2013
Location: Denver
Gruen Authority
Head Janitor
Site Admin
That is a super nice offer.

All I know is based on hard work & writing by others. I can only aspire to augment this body of knowledge. If I am wrong it is because of my own failings. -me

"If I have seen farther it is by standing on the shoulders of giants." - Newton
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