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stem wind and set
19''', Dm= 41.9mm, Do= 43.15mm
f = 18000 A/h
power reserve 37h
Balance staff *
Mainspring / battery
1.75 x 0.95 / 0.30mm
Comments about the data
bimetallic screw balance, Breguet hairspring
*) This calibre is not recorded in common movement catalogs, but it likely shares many partes with the FHF 1, 19'''H5.9.
Swiss Patent 51542:
filed 05-03-1910, FHF, Fabrique d'Horlogerie de Fontainemelon (CH)
crown mechanism without setting lever spring (Fig.3)
Example, year: signature; shock device
ca. 1915: - 5054, Déposé, +51482
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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