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View picture in original size
Fig. 1

View picture in original size
Fig. 2

FHF 4, 13'''

manual wind
sub second

13''', Dn= 29.33mm
17 jewels
f = 18000 A/h

Balance staff U1616

Stem W52

Comments about the data

bimetallic screw balance, Breguet hairspring
FHF 1 to FHF 16 designate movement groups containing calibres of different dimensions; individual designations start with FHF 22.

Example, year: signature; shock device
ca. 1935: 44, Clarté, Fab Suisse, Brevet 136966 + - FHF 200, Pat +
(FHF 3, 13''')

© R. van Rijn

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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