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|Dugena 1039 (Otero 78)|
11.5''', Dm= 25.6mm, Do= 26.0mm
(rotor bearing +0.1mm)
f = 18000 A/h
power reserve 43h
Balance staff U2546
Mainspring / battery
1.20 x 9.5 x 0.10mm
1.40 x 0.80 x 0.20mm
Comments about the data
sophisticated excenter self-winding mechanism with just one gear stage (Fig.4)
easy to operate rotor lock (Fig.5)
fixed mainspring, friction clutch on pawl wheel
From the generations of the equivalent Otero family single calibes or small families were adopted, meeting the temporary demand. This occasionally lead to various Dugena designations for the same Otero calibre.
old balance, big hand-gear bridge
new balance, small hand-gear bridge, new automatic
1036: new rotor bearing
1037: date, new rotor bearing
Example, year: signature; shock device
1-2) ca. 1960: Otero 782, Dugena 1042, 25 Jewels; Monorex
(Dugena 1042, Otero 782)
3-5) ca. 1960: -8, Helbros Watch Co., Germany, 7 Jewels; Monorex
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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