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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Dugena 810 (Helvetia 110)

Features
manual wind

Data
5.75 x 7''', Dm=Do= 13.15 x 16.05mm
(rests on corners)
H= 2.9mm
F= 0.9mm
T= 1.3mm
17 jewels
f = 18000 A/h
power reserve 31h

Balance staff U2669

Stem W1265

Mainspring / battery
Zf729, 1.25 x 6.5 x 0.07 x 210mm

Hands
1.00 x 0.55mm

Comments about the data

Remarks
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
(Helvetia 110)

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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