Pink Pages
for Timepieces
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UKŁ 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
View picture in original size
Fig. 1

View picture in original size
Fig. 2

Dugena 775 (Helvetia 101, Felsa 4122)

manual wind

7.75''', Dm= 17.2mm, Do= 17.5mm
H= 2.85mm
F= 0.9mm
T= 1.35mm
17 jewels
f = 21600 A/h
power reserve 43h

Balance staff U2878

Stem W2900

Mainspring / battery
1.25 x 6.5 x 0.08mm

1.20 x 0.60mm

Comments about the data

Girocap combined setting for escapement wheel
escapement, winding gear, barrel from Helvetia

Example, year: signature; shock device
ca. 1960: IP, Milus 742, Swiss, 17 Jewels; Incabloc
(Felsa 4122)

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

bidfun home
...the alternative - free of charge!
Dr. Roland Ranfft
Erkelenzer Str. 98
41844 Wegberg
phone +49 (0)2434 6034670

email: info@ranfft.de