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Gruen Strap 277 [message #14164] Wed, 23 December 2020 03:02 Go to next message
Homer 13 is currently offline  Homer 13
Messages: 1
Registered: December 2020
Gruen Apprentice
/vgforum/index.php?t=getfile&id=7436&private=0/vgforum/index.php?t=getfile&id=7435&private=0/vgforum/index.php?t=getfile&id=7434&private=0/vgforum/index.php?t=getfile&id=7433&private=0This was my grandfathers watch, a gift from the early 1930s, I think. Works great! I have not been able to find anything out about this watch. Inside the case there are some clues...two sets of stamped numbers...91 and 6048761. The rest of the info on the case looks to be hand engraved. At the top is MK 11-1 n(I think) then the initials JB. Then D22101....44261P....D14422...D17382....D18811...D20636. On the movement is the following...Seven7 Jewels...Unadjusted...F S Conoruma....Hrspg & Bal.....Guild Watch Switzerland.

If anyone could help me out I would appreciate it. Thanks.

[Updated on: Tue, 22 March 2022 00:26] by Moderator

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Re: Please help ID mens Gruen [message #14166 is a reply to message #14164] Wed, 23 December 2020 04:13 Go to previous messageGo to next message
Ephemerald
Messages: 1039
Registered: October 2018
Gruen Authority
Hi, welcome! It looks like a Gruen Strap 277. There's some info here.

http://vintagegruen.org/vgforum/index.php?t=msg&goto=104 76&&srch=277#msg_10476.

It should be a Calibre 700. You can learn a little about it & its related calibre's here.


http://vintagegruen.org/vgforum/index.php?t=msg&th=1692& amp;start=0&

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Re: Please help ID mens Gruen [message #14184 is a reply to message #14166] Wed, 23 December 2020 17:23 Go to previous messageGo to next message
afire is currently offline  afire
Messages: 1410
Registered: May 2013
Location: Wisconsin
Gruen Authority
I'm a fan of this model. There was one on eBay not that long ago and I meant to make a play for it, but forgot.

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Re: Please help ID mens Gruen [message #14190 is a reply to message #14184] Thu, 24 December 2020 04:43 Go to previous messageGo to next message
Case is currently offline  Case
Messages: 1178
Registered: May 2019
Location: Cincinnati
Gruen Authority
Curious there are no material markings. I’m assuming it would be nickel, fitting the 6mm case number?

My two caveats:
1) I'm wrong many times a day --just ask my wife!
2) Always seeking to learn more

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Re: Please help ID mens Gruen [message #14191 is a reply to message #14190] Thu, 24 December 2020 07:50 Go to previous messageGo to next message
Ephemerald
Messages: 1039
Registered: October 2018
Gruen Authority
These are interesting cases I agree. It should be stainless steel. All my flared /stepped cases that are Guildite are marked the same way.

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Re: Please help ID mens Gruen [message #14193 is a reply to message #14191] Thu, 24 December 2020 21:59 Go to previous message
afire is currently offline  afire
Messages: 1410
Registered: May 2013
Location: Wisconsin
Gruen Authority
It probably has a Guildite marking the edge of the outer case back.

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