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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Dugena 1203 (Bifora 51)

Features
manual wind

Data
5.75 x 6.75''', Dm= 12.95 x 15.15mm
Do= 12.95 x 15.55m
H= 3.2mm
F= 0.5mm
T= 1.6mm
17 jewels
f = 18000 A/h

Balance staff U2907

Stem W2921

Mainspring / battery
Zf729, 1.25 x 6.5 x 0.07 x 210mm

Hands
1.00 x 0.55mm

Comments about the data

Remarks
1960-1966

generations:
1203: 18000 A/h
1223: 21600 A/h
2000: 21600 A/h, barrel and first wheel modified

Example, year: signature; shock device
ca. 1970: B, 52, 2; Bifora-Bishock
(Bifora 52/2, 21600A/h)

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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