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12''', Dm= 26.5mm
f = 18000 A/h
Balance staff U871
Mainspring / battery
1,35 x 0.12mm
Comments about the data
bimetallic screw balance, Breguet hairspring
from 1943 option Incabloc
Example, year: signature; shock device
1942: 1058773, International Watch Co Swiss
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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