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11.5''', Dm= 25.55mm, Do= 25.9mm
f = 18000 A/h
power reserve 31h
Balance staff U2020
Mainspring / battery
1.35 x 9.5 x 0.115mm
1.40 x 0.84 x 0.24mm
Comments about the data
detached manual wind
minor modifications during short production periode
signature only Bifora 111
111: manual wind
Example, year: signature; shock device
1-3) 1953: Automatic, Bifora 111 - *, Bifora 111; Bifora-Bishock
4-5) ca. 1955: Automatic, Bifora 111 - Bifora 111; Bifora-Bishock
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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