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|Helvetia 18.5'''H5.5 hunter|
stem wind and set
18.5''', Dm= 41.05mm, Do= 41.7mm
f = 18000 A/h
power reserve 30h
Balance staff U1003
Mainspring / battery
2.40 x 15.5 x 0.20 x 500mm
1.82 x 1.16 / 0.32mm
Comments about the data
open-face- or hunter calibre
Example, year: signature; shock device
ca. 1925: - 426, 418
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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