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|Dugena 1157 (Osco 66)|
10.5''', Dm= 23.3mm, Do= 23.75mm
f = 18000 A/h
power reserve 40h
Balance staff U2053
Mainspring / battery
Zf1269, 1.55 x 9.0 x 0.10 x 290mm
1.40 x 0.90 x 0.18mm
Comments about the data
ratchet on dial side, crown mechanism with rocker bar
early samples with solid bridges and/or setting-lever screw like Osco 65
several modified details:
Example, year: signature; shock device
ca. 1955: - 19, OS 66; Protax
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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