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Fig. 1

View picture in original size
Fig. 2

Dugena 1166 (Otero 712)

manual wind
sweep second
date: set by changing 20:30-24h

11.5''', Dm= 25.6mm, Do= 26.0mm
H= 3.9mm
F= 1.5mm
T= 2.2mm
17 jewels
f = 18000 A/h
power reserve 43h

Balance staff U2546

Stem W2601

Mainspring / battery
Zf670, 1.20 x 9.0 x 0.095 x 300mm

1.40 x 0.80 x 0.20mm

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.

1165: -
1166: date

Example, year: signature; shock device
ca. 1960: 17 Jewels; Trishock
(Otero 742)

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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