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stem wind and set
17.5''', Dm= 38.8mm, Do= 39.5mm
(balance bearing +0.3mm)
f = 18000 A/h
Balance staff U1041
Mainspring / battery
Zf3133, 1.60 x 16.0 x 0.19 x 480mm
1.90 x 1.20 x 0.26mm
Comments about the data
open face calibre
Example, year: signature; shock device
ca. 1940: Buren Grand Prix, Cal. 30, Swiss Made, 15 Jewels - BAA
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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