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Fig. 1

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Fig. 2

Dugena 811 (Helvetia 106)

Features
manual wind

Data
5.75 x 8.5''', Dm= 12.85 x 19.2mm
Do= 12.85 x 19.65mm
H= 3.6mm
F= 0.5mm
T= 1.7mm
15/16 jewels
f = 18000 A/h
power reserve 37h

Balance staff U1870

Stem W2210

Mainspring / battery
Zf1099, 1.45 x 7.5 x 0.08 x 250mm

Hands
1.00 x 0.55mm

Comments about the data

Example, year: signature; shock device
ca. 1945: *Helvetia*, 106A, Swiss Made, 16 Jewels - 2961
(Helvetia 106A, actually 16 jewels)

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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