Junghans Pocketwatch, movement J13 - Helicopters, pocket watches, helicopter flight simulation and more.

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Junghans Pocketwatch, movement J13

Junghans
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Reference picture:
Master watch
1914
Open face
J13
19'''
42,9 mm
5,0 mm
18000 A/h
34 h
U408
W297
Zf3495
Engelkemper II 1966 page 182

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Junghans catalog 1914 text:

open faced Junghans "Master" Watch, 15 jewels,
cut compensation balance, hardened breguet steel hair spring, lever escapement with visible jewels, steel escape wheel, double safety roller, gilt plates gold or silver.
The watch will come with the factories certificate of warranty.
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A new click spring like later in the J47. Should be around 1929.
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