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|Dugena 810 (Helvetia 110)|
5.75 x 7''', Dm=Do= 13.15 x 16.05mm
(rests on corners)
f = 18000 A/h
power reserve 31h
Balance staff U2669
Mainspring / battery
Zf729, 1.25 x 6.5 x 0.07 x 210mm
1.00 x 0.55mm
Comments about the data
strange: train and hand gear separately driven by the barrel
This design allows low profile and gives space for a big balance.
differences not known between 110, 111
Example, year: signature; shock device
ca. 1950: Helvetia, 110, Swiss, 17 Jewels - 2205
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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