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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Bifora 910(AUT)

Features
automatic
sweep second

Data
11.5''', Dm= 25.6mm
H= 5.35mm
F= 0.55mm
T= 1.9mm
17/23 jewels
f = 18000 A/h
power reserve 34h

Balance staff U2912

Stem W2933

Mainspring / battery
1.20 x 8.5 x 0.095mm

Hands
1.40 x 0.85 x 0.22mm

Comments about the data

Remarks
1962-
signature only Bifora 910, respectively 910/1

family/generations:
9.75''':
91: manual wind, sub second
91(SC): manual wind, sweep second
11.5''':
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. 1965: Bifora 910/1; Bifora-Bishock
Bifora 910/1(AUT)

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.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


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