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|Dugena 1038 (Otero 77)|
11.5''', Dm= 25.6mm, Do= 26.0mm
f = 18000 A/h
power reserve 44h
Balance staff U2900 / U2937
balance with/without screws
Mainspring / battery
1.20 x 9.5 x 0.10mm
1.50 x 0.90 x 0.21mm
Comments about the data
excenter winding mechanism
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
ca. 1970: Patented, 25 Jewels; Incabloc
(Otero 794, 21600 A/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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