HomeRanfft
Watches
ARCHIMEDE Shop

German Shell - Swiss Heart
.
Home
Brand Index
Pink Pages
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

Omega 355

Features
automatic (bumper)
sweep second
date

Data
Dm= 28.1mm, Do= 28.5mm
H= 6.1mm
F= 2.05mm
T= 2.15mm
17 jewels
f = 19800 A/h
power reserve 42h

Balance staff U1604

Stem W2907

Mainspring / battery
Zf490, 1.10 x 8.5 x 0.10 x 250mm

Hands
1.40 x 0.75 x 0.18mm

Comments about the data

Remarks
1953-1955
family 28.10, 30.10 (330...355): 1943-1955, >1300000 (incl. >500000 chronometers)
partially as chronometers

family/generations:
30.1mm, sub second:
330 (30.10RA PC): -
331 (30.10RA PC AM): antimagnetic
332 (30.10T1 RA PC): redesign 331
333 (30.10T1 RA PC RG): excenter regulator
28.1mm, sub second:
340 (28.10RA PC): -
341: jubilee edition of 340
342 (28.10T1 RA PC): redesign 340
343 (28.10T1 RA PC RG): Chronometer, excenter regulator
344: redesign 342
28.1mm, sweep second:
350 (28.10RA SC PC): -
351 (28.10T1 RA SC PC): redesign 350
352: chronometer, excenter regulator
353: date
354: redesign 351
355: date, redesign 353

Example, year: signature; shock device
1952: 13170518, Omega Watch Co. Swiss, 17 Jewels; Incabloc

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
.