ID 1930 Ladies Gruen

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MikeTheWatchGuy
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Re: ID 1930 Ladies Gruen

#11 Post by MikeTheWatchGuy » Thu Feb 01, 2018 6:53 am

You can see how the 835 fits into the overall offering of Gruen movements using the movement map located on the Gruen Movement Catalog page.

The 835 is listed in the newly published Caliber Date Table as well with this entry:
835 15 Guild 1924

It's a Guild movement, a designation Gruen gave to their Second Class watch movements (as explained on page 5 of the Standardized Parts book of 1921... page 32 in the Gruen Repairer's Reference)

The movement finder produces theses results:
Caliber 835 can be found in these Gruen documents and in the Repairer’s Reference on the indicated pages
Cal 835 15 jewels 1926 page 15 Repairer's Reference page 88
Cal 835 15 jewels 1939 page 13 Repairer's Reference page 192
Cal 835 15 jewels 1945 page 11 Repairer's Reference page 224
Cal 835 15 jewels 1948 page 12 Repairer's Reference page 286
Cal 8357 17 jewels 1939 page 13 Repairer's Reference page 192
Cal 8357 17 jewels 1945 page 11 Repairer's Reference page 224
Cal 8357 17 jewels 1948 page 12 Repairer's Reference page 286
Cal 8357B 17 jewels 1939 page 13 Repairer's Reference page 192
Cal 8357B 17 jewels 1945 page 11 Repairer's Reference page 224
Cal 8357B 17 jewels 1948 page 13 Repairer's Reference page 287
Cal 8357SS 17 jewels 1939 page 13 Repairer's Reference page 192


It was not a precision movement, despite having ties to recognized names in high-quality watches. It is not a particularly rare movement.

Speaking of this 835 movement, do we have a firm definition of the differences between the 835 and the 835B?

The finish up the references made in the thread, the ID of a Cartouche 423 can be found on page 215 of the Gruen Watch Catalog. There is a little-known list of all of the watches found in the Guild Book and Stock Record books can be found in the Library Section of GruenWristwatches on the Guild Era page. That index shows the Cartouche 423 located on pages 2-30 page 145 and and 9-31 page 22. It missed being in the earlier 1927 Stock Record Book which cut-off around Cartouche 299.

All that mess ties together the simple date provided by lookup of '54' in the early Wadsworth serial number dating of 1930.
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Barney Green
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Re: ID 1930 Ladies Gruen

#12 Post by Barney Green » Thu Feb 01, 2018 8:44 am

Main difference between 835 and 835B is the outline shape, the old 835 has sharp corners and straight lines whereas the 835B has the cut sides slightly rounded. In most cases it is impossible to switch from one to the other as the cutout in the case bottom follows the outline of the movement.
The switch from 835 to 835B has happened in 1930 roughly at serial number 185xxxx. My latest 835 is serial 181xxxx, the oldest 835B I own is serial 187xxxx.

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