HomeRanfft
Watches
Pink Pages
for Timepieces
.
Home
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
Links
  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 553 (Osco 50)

Features
manual wind
sub second

Data
8.75 x 10''', Dm=Do= 20.05 x 22.7mm
rests on corners to fit cases for round 10.5''' movements, Dm=23.3mm, Do= 23.9mm
H= 4.4mm
F= 0.8mm
T= 2.1mm
15 jewels
f = 18000 A/h
power-reserve 33h

Balance staff U1348

Stem W1125

Mainspring / battery
Zf1389, 1.7 x 9.0 x 0.10 x 290mm

Hands
1.40 x 0.82 / 0.18mm

Comments about the data

Remarks
ratchet on dial side, crown mechanism with rocker bar

family:
553: sub second
556: sweep second

Example, year: signature; shock device
ca. 1945: Osco, Kal.50, Parat
(Osco 50)

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
Germany
phone +49 (0)2434 6034670

email: info@ranfft.de
.