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View picture in original size
Fig. 1

Bifora 50

Features
manual wind

Data
5.75 x 8.5''', Dm= 12.8 x 19.25mm
H= 3.5mm (3.65mm with winding gear)
15 jewels
f = 18000 A/h
power reserve 37h

Balance staff U1450/U2051/U345
balance collet 0.57 / 0.74 / 0.84mm

Stem W304

Mainspring / battery
Zf472, 1.10 x 7.5 x 0.085 x 240mm

Hands
0.98 x 0.58mm

Comments about the data

Remarks
1932-1935

Example, year: signature; shock device
ca.1950 : B, 50

© lottemann

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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