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stem wind and pin set
18.5''', Dm= 41.3mm, Do= 41.95mm
(winding gear +0.3mm)
f = 18000 A/h
Balance staff Ronda 1967
1.90 x 0.60 / 0.30mm
Comments about the data
open face calibre
18.5'''H5.6: Swiss lever escapement
18.5'''H5.6 Cyl: cylinder escapement
Example, year: signature; shock device
ca. 1910: - 899 17
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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