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|Dugena 2207 (Otero 740, 840)|
11.5''', Dm= 25.6mm, Do= 26.0mm
f = 21600 A/h
power reserve 43h
Balance staff U2937
Mainspring / battery
Zf682, 1.20 x 9.5 x 0.105 x 300mm
1.50 x 0.90 x 0.21mm
Comments about the data
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.
2205: manual wind
2206: manual wind, date
2207: manual wind
2208: manual wind, date
2211: manual wind, digital
2212: automatic, digital
2217: automatic, date
Example, year: signature; shock device
ca. 1965: Otero 74, Dugena 1168, 17 Jewels; Trishock
(Otero 74, Dugena 1168, 18000 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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