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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Dugena 818 (Otero 25)

Features
manual wind

Data
5.75 x 8.5''', Dm= 13.0 x 19.2mm
Do= 13.0 x 19.8mm
H= 3.85mm
F= 0.6mm
T= 1.6mm
17 jewels
f = 18000 A/h
power reserve 32h

Balance staff U1669

Stem W2035

Mainspring / battery
Zf650, 1.20 x 7.0 x 0.08 x 220mm

Hands
1.00 x 0.55mm

Comments about the data

Remarks
ratchet on dial side, crown mechanism with rocker bar

Example, year: signature; shock device
ca. 1955: Epora - Otero 25, Ges.Gesch.; Monorex
(Otero 25)

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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