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|FHF 1144, 18.5'''|
stem wind and set
18.5''', Dm= 41.25mm, Do= 41.85mm
f = 18000 A/h
Balance staff U1303
1.90 x 0.95 / 0.28mm
Comments about the data
open face calibre
options: bimetallic screw balance, Breguet hairspring
These pocketwatch calibres were made with 18.5 und 19''', and the heights 4.2, 5.0, and 5.9mm.
There are various bridge layouts, two base plates with differing dial-feet positions, and two slightly differing setting-lever springs.
The assignment of such differences to the groups FHF 1 to 14 and the calibres FHF 1144, 2144, 2146, 4144, 4146 is just partially known. But comparing the according calibres gives an imagination.
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. 1930: Doxa, Doxa Locle - FHF 1, Depose+
(FHF 1, 18.5'''H5)
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.
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