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stem wind and set
18.5''', Dm= 41.65mm, Do= 42.05mm
f = 18000 A/h
power reserve h
Balance staff U1109
Mainspring / battery
Zf3424, 1.90 x 17.0 x 0.22 x 470mm
2.05 x 1.20 / 0.18mm
Comments about the data
open face calibre
1-19'''II: balance and setting-lever spring new
191: balance new, stronger main spring
Example, year: signature; shock device
ca. 1935: B, Lanco, Swiss Made, 15 Rubis - K, 3
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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