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11.5''', Dm= 25.6mm
(winding gear +0.4mm)
f = 18000 A/h
power reserve 44h
Balance staff U2912
Mainspring / battery
Zf665, 1.20 x 8.5 x 0.095 x 265mm
1.40 x 0.85 / 0.22mm
Comments about the data
91: manual wind, sub second
91(SC): manual wind, sweep second
910: manual wind, sub second
910(SC): manual wind, sweep second
910(CLD): manual wind, sweep second, date
910(AUT): automatic, sweep second
910(AUT-CLD): automatic, sweep second, date
suffix /1: modified setting lever and minute wheel (transition floating)
Example, year: signature; shock device
ca. 1970: Bifora 910/1; 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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