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|Felsa 107 old|
8.75''', Dm= 19.4mm, Do= 19.75mm
f = 18000 A/h
power reserve 33h
Balance staff U36
Mainspring / battery
Zf662, 1.20 x 7.5 x 0.09 x 220mm
1.20 x 0.70 / 0.20mm
Comments about the data
option: bimetallic screw balance
different bridge shapes (cf. Felsa 107)
stem mechanism without setting-lever spring
Example, year: signature; shock device
1-2) ca. 1920: C. & E. Marshall Co, Model H-2, Swiss, 6 Jewels, 2 Adjustments
3-4) ca. 1925: -
(the hole for the latch pin in the setting lever indicates the transition to the successor with setting-lever spring)
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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