Gruen 1926 Catalog B Standardized Parts DATE

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MikeTheWatchGuy
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Re: Gruen 1926 Catalog B Standardized Parts DATE

#11 Post by MikeTheWatchGuy » Tue Jun 13, 2017 8:35 am

Yes, I too have assumed it's the month.

But, stepping back I have to wonder why the month would even matter?

They didn't produce multiple per year.

The prior books, 1921, 1926 are marked with year. They're also known as Catalogue A and B. Wonder which was used by Gruen.

I'm left with "I don't know" with the later ones though. I don't see why a month would be needed.

Let's set aside month for a moment.....

What other things COULD the numbers mean? Maybe Month is the only answer? Surely we can cook up another... I'm struggling to actually.

They are labelled "No. 448", etc, so perhaps it indeed is the month and year, encoded as a "Part number" of sorts.
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thojil
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Re: Gruen 1926 Catalog B Standardized Parts DATE

#12 Post by thojil » Wed Jun 14, 2017 1:13 am

Mike, there is one catalog missing that I have saved as being issued in 1937. Surprised that you haven't included it as actually you send it to me years ago as a PDF file :o

I don't know how you dated this catalog to 1937, as unlike the later ones this catalog doesn't have the 3 digit number. Maybe the hand written notes at the bottom of page 2?

Material catalog 1937-1.JPG
Material catalog 1937-1.JPG (101.29 KiB) Viewed 1067 times
Material catalog 1937-2.JPG
Material catalog 1937-2.JPG (138.6 KiB) Viewed 1067 times

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thojil
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Re: Gruen 1926 Catalog B Standardized Parts DATE

#13 Post by thojil » Wed Jun 14, 2017 1:29 am

"They are labelled "No. 448", etc, so perhaps it indeed is the month and year, encoded as a "Part number" of sorts"

Being a part number could be a logical explanation. When I make a comparison to the automotive industry, which I'm working in all printed manuals have individual part numbers allowing dealers to order them. And looking at any instruction manual today you can find a part number on it. I recently used one to order a missing instruction manual for my IWC DaVinci and the factory even send me the right one :lol:

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Bazzab
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Re: Gruen 1926 Catalog B Standardized Parts DATE

#14 Post by Bazzab » Wed Jun 14, 2017 5:08 am

thojil wrote:
Wed Jun 14, 2017 1:13 am
Mike, there is one catalog missing that I have saved as being issued in 1937. Surprised that you haven't included it as actually you send it to me years ago as a PDF file :o

I don't know how you dated this catalog to 1937, as unlike the later ones this catalog doesn't have the 3 digit number. Maybe the hand written notes at the bottom of page 2?


Material catalog 1937-1.JPG
Material catalog 1937-2.JPG
This is a misdated 1939 Catalog. Some of the movements shown were not released until 1939, the 300 for instance
B

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MikeTheWatchGuy
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Re: Gruen 1926 Catalog B Standardized Parts DATE

#15 Post by MikeTheWatchGuy » Wed Jun 14, 2017 9:19 am

Bazzab wrote:
Wed Jun 14, 2017 5:08 am
thojil wrote:
Wed Jun 14, 2017 1:13 am
Mike, there is one catalog missing that I have saved as being issued in 1937. Surprised that you haven't included it as actually you send it to me years ago as a PDF file :o

I don't know how you dated this catalog to 1937, as unlike the later ones this catalog doesn't have the 3 digit number. Maybe the hand written notes at the bottom of page 2?


Material catalog 1937-1.JPG
Material catalog 1937-2.JPG
This is a misdated 1939 Catalog. Some of the movements shown were not released until 1939, the 300 for instance
B
B is exactly right.

Early on I assumed that the NAWCC dating of the material guide to 1937 was a correct one. It wasn't until later that I discovered the correct name of the document was the "No. 539 Material Catalog" and that it was published in 1939, not 1937. Sorry for propagating that error for a bit.
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thojil
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Re: Gruen 1926 Catalog B Standardized Parts DATE

#16 Post by thojil » Wed Jun 14, 2017 12:27 pm

Clear. One small mistery less on my side :lol:

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