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Fig. 2

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Fig. 4

FEF 272

manual wind

5.75 x 8.5''', Dm= 12.85 x 19.2mm
Do= 12.85 x 19.65mm
H= 3.65 / 3.5mm
old / new
F= 0.5mm
T= 1.7mm
15/16/21 jewels
f = 18000 A/h
power reserve 41h

Balance staff U1398

Stem W1175

Mainspring / battery
Zf1187, 1.50 x 7.5 x 0.08 x 245mm

1.00 x 0.55mm

Comments about the data

different bridge layouts, probably dependend from production year
differences not known between 270-273, 275

270-273, 275: standard mainspring
1270, 1273, 1275: special mainspring

Example, year: signature; shock device
1-2) ca. 1940: Swiss Made, 15 Jewels - FEF 270
(FEF 270)
3-4) ca. 1960: Swiss Made, 16 Jewels - FEF 270
(FEF 270)

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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