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Gruen Antimagnetic - 21RUBIS [message #16434] Mon, 11 April 2022 08:58 Go to next message
cyberbeer is currently offline  cyberbeer
Messages: 2
Registered: April 2022
Gruen Apprentice
Hi,

I'm an italian guy, and I've just received from my mother a Gruen "Antimagnetic" wristwatch that came from my grandpa, who exchange it with a pack of sigarette from american soldier during WWII.

I need your help to retrieve as much information as possibile about it.

Model name: ANTIMAGNETIC
Type: mechanical hand wind
Period/date: 1940?!?!?
Gender: MALE

Case Maker: I Don't Know
Case Material: BRASS
Case Serial: 54642
Case Style no: I Don't Know

Caliber:
Movement Maker: I Don't Know
Movement Serial: I Don't Know

Bracelet: Leather, but the one in the photo is not the original

Other info:

/vgforum/index.php?t=getfile&id=9190&private=0
/vgforum/index.php?t=getfile&id=9191&private=0

Thanks in advance!!!

Feel free to contact me for any question!

[Updated on: Mon, 11 April 2022 14:06] by Moderator

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Re: Gruen Antimagnetic - 21RUBIS [message #16435 is a reply to message #16434] Mon, 11 April 2022 14:12 Go to previous messageGo to next message
Case is currently offline  Case
Messages: 1178
Registered: May 2019
Location: Cincinnati
Gruen Authority
Welcome, cyberbeer! Thanks for sharing this interesting model with us. Looking forward myself to finding out more about it! I edited the message to add the pics in line.

If possible, it would be most helpful to see the movement & inner case back.
Re: Gruen Antimagnetic - 21RUBIS [message #16436 is a reply to message #16435] Mon, 11 April 2022 19:41 Go to previous messageGo to next message
Jenneke is currently offline  Jenneke
Messages: 1853
Registered: May 2013
Location: Netherlands
Gruen Authority
Congrats with having a watch with some family history!

The dial looks like an early redial. 21 rubis is not something I have seen before. And instead of antimagnetic I would expect veri-thin or precision.
Guildite case?

I hope others can tell more.


You can only waste time if you forget to enjoy it - Loesje
Re: Gruen Antimagnetic - 21RUBIS [message #16437 is a reply to message #16436] Tue, 12 April 2022 15:56 Go to previous messageGo to next message
afire is currently offline  afire
Messages: 1312
Registered: May 2013
Location: Wisconsin
Gruen Authority
Agreed, that dial has been refinished. And without the original dial, it might be tricky to ID. Maybe one of the data jockeys here can narrow down a date with the case serial number.
Re: Gruen Antimagnetic - 21RUBIS [message #16438 is a reply to message #16437] Tue, 12 April 2022 17:36 Go to previous messageGo to next message
Barney Green
Messages: 1725
Registered: February 2014
Location: Wolfsburg, Germany
Gruen Authority
I unfortunately can't nail down the date by the serial. The case serials have always been maker related and we would need to know the case maker to compare. I don't have any nearby datapoints which would be fitting. The datapoints around would be 14k cases by K&O form the late 30s, but this will be unrelated.

Somehow my answer yesterday did not make it through, I also agreed that the dial had been refinished. I never saw antimagnetic written on a Gruen dial of this periode and I also do not really believe in a 21 jewel movement. Also Gruen did not use the term rubis on their dials.


Gruen, Gruen, Gruen ist alles was ich habe... Gruen, Gruen, Gruen is all I have...(German folklore song)
Re: Gruen Antimagnetic - 21RUBIS [message #16475 is a reply to message #16438] Wed, 20 April 2022 07:41 Go to previous messageGo to next message
cyberbeer is currently offline  cyberbeer
Messages: 2
Registered: April 2022
Gruen Apprentice
Hi,

thanks for your feedback and information!

Do you think that the dial was substituted?
I didn't find any information about the Antimagnetic...

Do you think that the substituted dial is an original Gruen part?

Thank!!
Re: Gruen Antimagnetic - 21RUBIS [message #16476 is a reply to message #16475] Wed, 20 April 2022 10:17 Go to previous messageGo to next message
Jenneke is currently offline  Jenneke
Messages: 1853
Registered: May 2013
Location: Netherlands
Gruen Authority
The dial isn’t substituted, but repainted. If a dial got damage (from water or radium burn) it was normal to do a redial. They removed the paint from the (brass?) dial and used stamps to get it spickandspan again. Sometimes the redialer didnt have the correct templates… and/or he worked from memory.
.
Maybe a watchmaker or jeweler can open the back for you. A picture from the movement and inside case back would be helpful for identifying it.

There are Anti-magnetic Gruen watches, but that was marked on the caseback. See for example : https://www.ebay.ph/itm/VINTAGE-GRUEN-CHOCK-RESISTANAND-WATE R-ANTI-MAGNETIC-AUTOMATIC-17J-MADE-IN-SWISS/143857200339


You can only waste time if you forget to enjoy it - Loesje
Re: Gruen Antimagnetic - 21RUBIS [message #16478 is a reply to message #16476] Wed, 20 April 2022 11:52 Go to previous message
Barney Green
Messages: 1725
Registered: February 2014
Location: Wolfsburg, Germany
Gruen Authority
I agree with Jenneke, usually the original dial was just repainted. Due to the fact that it says RUBIS instead of JEWELS I expect that the work has not been done done in the US but probably a french speaking country. Or Italy in your specific case...

Gruen, Gruen, Gruen ist alles was ich habe... Gruen, Gruen, Gruen is all I have...(German folklore song)
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