Junghans Pocketwatch, movement J47 - Dirk E. Fassbender

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Junghans Pocketwatch, movement J47

Junghans
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f:
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Master watch
1931 - 1953
Open face
J47a, J47b, J47e, J47G
J47a/1, J47b/1, J47c/1, J47d/1
18,5'''
41,9 mm
5,25 mm
18000 A/h
32 h
U410
W294
Zf3503, 3509
F.W.S 1942 page 17
50 x 65 mm
41g
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Junghans catalog 1937 text:

Bridge movement, semi-fIat, 15 jewels, flat hair spring, lever escapement with visible jewels, double safetv roller, gilt plates and bridges.

The J47e is a J47b with the second wheel pinion shortened for use in the pocket watch for blind people.

/1 indicates the seperate escapement bridge which
was most probably introduced 1938. All of them had
the new click spring which was introduced before and
indicated on the older J47 with a "G".
The J47c/1 and J47d/1 have the second adjustment.

The J47b/1 with the second wheel pinion shortened will you find in the pocket watch for blind people.

J47a -   7 jewels
J47b - 15 jewels
J47G - new click spring, 7/15 jewels
J47a/1 -   7 jewels
J47b/1 - 15 jewels
J47c/1 - 15 jewels, second stop
J47d/1 - 15 jewels, second stop, cut compensating balance

The J47b/1 was sold to Zentra and is called Zentra 62 or Zentra 627, also sold to Alpina and called Alpina 211.
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