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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Dugena 1156 (Osco 108)

Features
manual wind
date: set by changing 21:50-24h

Data
10.5''', Dm= 23.25mm, Do= 23.7mm
H= 5.4mm
F= 1.8mm
T= 3.1mm
15 jewels
f = 18000 A/h
power reserve 36h

Balance staff U2300

Stem W2439

Mainspring / battery
Zf1348, 1.65 x 9.0 x 0.10 x 290mm

Hands
1.40 x 0.80mm

Comments about the data

Remarks
ratchet on dial side, crown mechanism with rocker bar
signature on dial side often or always 100

family/generations:
no threads for retaining screws
1153: 15 jewels
1153/7: 7 jewels
with threads for retaining screws
1154: 15 jewels
1156: 15 jewels, no second, date

Example, year: signature; shock device
ca. 1960: - OS, 100, 31; Rufarex
(Osco 108)

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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