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9.75''', Dm= 21.7mm
f = 18000 A/h
power reserve 32h
Mainspring / battery
1.10 x 8.5 x 0.105 x 265mm
1.05 x 0.60 / 0.18mm
Comments about the data
bimetallic screw balance, Breguet hairspring
stem mechanism without setting-lever spring
differences not known between 115, 116
Example, year: signature; shock device
ca. 1925: 621951, Gruen Watch Co, Precision, Switzerland, 4 Adj., Temp., 15 Jewels - 621951
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.
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