Junghans Pocketwatch, movement J48 - Helicopters, pocket watches, helicopter flight simulation and more.

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Junghans Pocketwatch, movement J48

Junghans
Kind:
Production:
Type:
Variants:
Size:
Diameter:
Height:
f:
Power reserve:
Balance staff:
Stem:
Mainspring:
Reference picture:

Master watch
1931 - 1953
Open face
J48, J48G, J48b/1
18,5'''
41,25 mm
4,45 mm
18000 A/h
32 h
U397
W288
Zf3148
F.W.S 1942 page 18

Junghans catalog 1931 text:

Second adjustment. The watch to be set exactly to the second.
Bridge movement, flat, 15 jewels, flat hair spring, lever escapement with visible jewels, double safety roller, gilt plates and bridges.

G indicates a new click spring assembly from 1934.

The suffix /1 means that a seperate escapement wheel bridge/cock is used.
I assume that these watches are made from 1938 or later.
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