Junghans Empty (copy)

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Alarm pocket watch
1911 - 1921
Open face
J10
101
18,5'''
41.85mm
41,4 mm
7,8 mm
18000 A/h
54/66 h
U427, 427 ST
W773
Zf3923, 550 x 2,5 x 0,2 mm
Junghans mentions spring number
1009 515 x 2,55 x 0,205 mm
F.W.S 1942 page 47
3/5/7/11
98 gr
51 gr
Schramberg

 

  

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