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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Felsa 161 open-face

stem wind and set
sub second

16''', Dm= 35.55mm, Do= 36.15mm
H= 4.2mm
F= 0.6mm
T= 2.1mm
15 jewels
f = 18000 A/h
power-reserve 34h

Balance staff U940

Stem W1438

Mainspring / battery
Zf2923, 1.40 x 14.0 x 0.18 x 390mm

1.80 x 1.00 / 0.22mm

Comments about the data

open face calibre
Breguet hairspring
option: Reed's regulator
differences not known between 160-162, 165
Movement registers list only the open-face variant of the Felsa 161, but Ronda additionally 160, 162, 165.

Example, year: signature; shock device
1932: 391 598, Mido, Swiss Made, 3 Adj., 15 Jewels - Felsa

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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