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12.5''', Dm= 27.9mm
f = 18000 A/h
Balance staff Cyl 0.80 x 4.30 x ?mm
Mainspring / battery
Zf1246, 1.50 x 10.5 x 0.13 x 300mm
1.50 x 0.80mm
Comments about the data
open face calibre
unusual: crown mechanism with rocker bar, but ratchet on back side
unknown whether the completely functionless crown wheel is standard
52: separate 4th wheel cock
202: 4th wheel under train bridge
Example, year: signature; shock device
1947: old data sheet
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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