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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Felsa 80

Features
manual wind
sub second

Data
10.5''', Dm= 23.3mm
15/17 jewels
f = 18000 A/h

Balance staff U591

Stem W193

Mainspring / battery
Zf1389, 1.70 x 9.0 x 0.10 x 290mm

Hands
1.40 x 0.80mm

Comments about the data

Remarks
bimetallic screw balance
differences not known between 71, 73, 75-80, 144, 166, 167, 203, 205, 216, 219, 240, 244, 255, 268, 284, 286, 287, 326

family/generations:
71: sub second
86: sweep second
100: sub second, date
131: sub second, 11'''

Example, year: signature; shock device
ca. 1935: 119017, Gothic Watch Co New York, Jar-Proof, Adjusted to Temperature, Patent + No.102795, Made in Switzerland, 17 Jewels - 212498, Pat'd
(Felsa 71)

© B. Johnson

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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