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Junghans data explanations, updated 30.12.2022 - Helicopters, pocket watches, flight simulation, tools.

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Junghans data explanations, updated 30.12.2022

Junghans
Here are some explanations of the provided data for the Junghans movements. I tried to standardized the appearance of the data for consistency.

Down below an example:
Kind:
Master watch

Production:
1931 - 1953
Based on catalog/pricelist entries
or other Junghans written evidence.
Production site:Schramberg
Type:
Hunter case

Variants:
J49, J49G, J49/1

Catalog Groupe:135The reference number used by Junghans in the catalog and pricelist.
Size:19'''''' = Paris Ligne, 1''' equals 2,26 mm
Diameter:41,25 mm
Mounting diameter to fit the case or mounting frame.
Height:4,45 mm
The distance between the surface, the dial is resting on, and the highest plate, bridge, or cock on the othe side.
f:
18000 A/H

Power reserve:32hThe running time with a full wound mainspring. Only valid if the watch is in original and good running condition.
Balance staff:U397
Stem:W288
Mainspring:Zf3158
Lift angle:40°www.dirkfassbender.de/lift-angle.html
Jewels:
15
Hour hand:1,82 x 16 mm
Minute hand:0,8 x 20 mm
Second hand:0,21 x 7 mm
Dial feet position:
CW 30.68 mm
FW 48.97 mm
CW 33.64 mm
FW 22.41 mm

CW = Center Wheel
FW = Fourth Wheel

Dial site up, Crown up

Movement weight:35g

Movement with stem and crown, movement holding screws, dial and hands.



Reference picture:
F.W.S 1947 page 74

F.W.S = Flume Werk Sucher

1947 = Year

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