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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Felsa 159

Features
manual wind
sub second

Data
8.75''', Dm= 19.45mm, Do= 19.75mm
H= 3.55mm
15 jewels
f = 18000 A/h
power reserve 35h

Balance staff U70

Stem W137

Mainspring / battery
Zf831, 1.30 x 7.0 x 0.08 x 220mm

Hands
1.25 x 0.70 / 0.20mm

Comments about the data

Remarks
bimetallic screw balance
stem mechanism without setting-lever spring
bridge shapes perhaps differing from shown Ebel 8.75'''
differences not known between 158, 159, 185, 208, 212, 220, 238, 246, 251, 259, 261, 277

family:
158, 159, 185, 208, 212, 220, 238, 246, 251, 259, 261, 277: sub second
163: sweep second

Example, year: signature; shock device
ca. 1925: 29614, Ebel Fab. Suisse
(Ebel 8.75''')

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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