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

Omega 300

Features
manual wind
sub second

Data
Dm=Do= 17.8 x 22.0mm
(rests on corners to fit cases for round 10.5''' movements)
H= 3.25mm
17 jewels
f = 21600 A/h
power reserve 45h

Balance staff U1249

Stem W1040

Mainspring / battery
Zf673, 1.2 x 8.0 x 0.10 x 230mm

Hands
1.10 x 0.65 / 0.15mm

Comments about the data

Remarks
1949-
as Omega R17.8 from 1939

family:
300 (R17.8 until 1949): sub second
301 (R17.8AM until 1949): sub second, antimagnetic
302: sub second, Incabloc, antimagnetic
310 (R17.8SC until 1949): sweep second
311 (R17.8SC AM until 1949): sweep second, antimagnetic

Example, year: signature; shock device
1939: 9163912, M, Omega Swiss, 15 Jewels
(Omega R17.8)

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
Poststr. 32a
26388 Wilhelmshaven
Germany
phone +49 (0)4423 9849691

email: info@ranfft.de
.