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View picture in original size
Fig. 1

View picture in original size
Fig. 2

FHF 351

Features
manual wind

Data
7.75''', Dm= 17.2mm, Do= 17.5mm
H= 2.9mm
F= 0.7mm
T= 1.4mm
17 jewels
f = 21600 A/h
power reserve 44h

Balance staff U3333

Stem W2593

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

Hands
1.10 x 0.60mm

Comments about the data

Remarks
different bridge shapes (cf. FHF 35)

family/generations:
32: 18000 A/h
balance, setting works redesigned:
34: 18000 A/h
34-21: 21600 A/h
balance redesigned:
35, 35-21: 21600 A/h
351: 21600 A/h, prepared for date version
352: 21600 A/h, date

Example, year: signature; shock device
ca. 1970: Swiss, 17 Jewels; Incabloc

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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