Junghans Pocketwatch, movement J71 - Helicopters, pocket watches, helicopter flight simulation and more.

Go to content

Junghans Pocketwatch, movement J71

Junghans
Junghans catalog 1934 text:
Pillar movement, 3/4 plate, removable lever and balance bridge, antimagnetic hairspring, stem-set.
Indestructible Watch

Built without jewels, 3 jewels or 7 jewels.
The main spring can be changed without much dissasembly of the movement.



-
Indestructible watch
1934 - 1937
Open face
J71
17'''
36,0 mm
6,8 mm
18000 A/h
36 h
U375
W352
Zf 2,3 x 15,0 x 0,21 mm
F.W.S 1942 page 16
48 x 63 mm
-
Kind:
Production:
Type:
Variants:
Size:
Diameter:
Height:
f:
Power reserve:
Balance staff:
Stem:
Mainspring:
Reference picture:
Case size:
-
-
-
Back to content