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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

Felsa 107 old

Features
manual wind
sub second

Data
8.75''', Dm= 19.4mm, Do= 19.75mm
H= 3.25...3.3mm
F= 0.5mm
T= 1.6mm
6/15 jewels
f = 18000 A/h
power reserve 33h

Balance staff U36

Stem W137

Mainspring / battery
Zf662, 1.20 x 7.5 x 0.09 x 220mm

Hands
1.20 x 0.70 / 0.20mm

Comments about the data

Remarks
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.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


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