Vintage Gruen
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Home » The Gruen Model Database » The caliber database » Caliber 740 (Premo, WSC, Guild) - 17J & 19J variants (17’’’ Pocket, extra thin/semi-thin)
Re: Caliber 740 (Premo, WSC, Guild) - 17J & 19J variants [message #12128 is a reply to message #12127] Sat, 08 February 2020 15:05 Go to previous messageGo to previous message
Barney Green
Messages: 1747
Registered: February 2014
Location: Wolfsburg, Germany
Gruen Authority
8 h.p. = 8PM

Yes, I have also seen a transition time with stamping not matching the actual movement for the Semithins And you are right, Lavina build a good number of pocket watch movements in the 7xx caliber number range. The ones you mentioned plus others like for example the rare 766.

I am currently hesitating to put the dials off my watches at current, would only do so if I would service them which is not planned in the next 2 to 3 years. But may be I have to some day...

Barney


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