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|Humbert Etienne 19''' hunter|
stem wind and set
19''', Dm= 42.3mm, Do= 43.0mm
f = 18000 A/h
power reserve 38h
old: 1.80 x 0.6 / 0.28mm
new: 2.00 x 1.15 / 0.28mm
Comments about the data
early samples lever pin set (cf. open face)
option: bimetallic screw balance, cut or uncut
Swiss Patent 30478:
regulation gear (Fig.3)
deposited 04-13-1904 by Humbert Etienne, Tramelan (CH)
This movement is not listed in establiched calibre keys. As the patent document shows the strange balance cock of this movement, it was assigned to Humbert Etienne.
Example, year: signature; shock device
ca. 1925: Déposé, Brevet+No.30478 - 404856
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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