Vintage Gruen: 1930's » Gruen Strap 277

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Gruen Strap 277 [message #14164]

Wed, 23 December 2020 03:02

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=0

This 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.

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[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

Ephemerald
Messages: 1039
Registered: October 2018
Location: City of Lake Salt

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&

Matthias

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Re: Please help ID mens Gruen [message #14184 is a reply to message #14166]

Wed, 23 December 2020 17:23

afire
Messages: 1355
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

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

Ephemerald
Messages: 1039
Registered: October 2018
Location: City of Lake Salt

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.

Matthias

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Re: Please help ID mens Gruen [message #14193 is a reply to message #14191]

Thu, 24 December 2020 21:59

afire
Messages: 1355
Registered: May 2013
Location: Wisconsin

Gruen Authority

It probably has a Guildite marking the edge of the outer case back.

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