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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Omega 310

Features
manual wind
sweep second

Data
Dm=Do= 17.8 x 22.0mm
H= 4.0mm
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 0.65mm

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
1953: 13409156, OXG, Omega Watch Co Swiss, 17 jewels; Incabloc
(Omega 302, sub second)

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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