Here are some explanations of the provided data for the Junghans movements. I tried to standardized the appearance of the data for consistency.
1931 - 1953
J49, J49G, J49/1
|Group:||135||The reference number used by Junghans in the catalog and pricelist.|
|Size:||19'''||''' = Paris Ligne, 1''' equals 2,26 mm|
Mounting diameter to fit the case or mounting frame.
The distance between the surface, the dial is resting on, and the highest plate, bridge, or cock on the othe side.
|Power reserve:||32h||The running time with a full wound mainspring. Only valid if the watch is in original and good running condition.|
F.W.S 1942 page 18
52 x 68mm
|Hour hand:||1,82 x 16mm|
|Minute hand:||0,8 x 20mm|
|Second hand:||0,21 x 7 mm|
Movement with stem and crown, movement holding screws, dial and hands.