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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Omega 30T2

Features
manual wind
sub second

Data
Dm= 30.0mm, Do= 30.5mm
H= 4.05mm
F= 0.5mm
T= 1.7mm
15 jewels
f = 18000 A/h
power reserve 44h

Balance staff U621(old), U2772(new)

Stem W621

Mainspring / battery
1.50 x 11.5 x 1.40mm

Hands
1.40 x 0.75 / 0.19mm

Comments about the data

Remarks
1939-1963, 3000000 (whole family except 269,286)
Breguet hairspring
from 1943 Incabloc

family/generations:
sub second:
30 : 15 jewels, no shock protection
30T1: 15 jewels, no shock protection
30T2: 15 jewels, no shock protection
30T2PC: 15 jewels, Incabloc
260: =30T2 since 1949, 15 jewels
261: 17 jewels, antimagnetic
262: 17 jewels, excenter regulator
265: 15 jewels, antimagnetic
266,267: 17 jewels, antimagnetic
268: ring- instead screw balance
269: flat- instead Breguet-hairspring
sweep second:
30SC : 16 jewels, no shock protection
30T1: 16 jewels, no shock protection
30T2SC: 16 jwwels, no shock protection
30T2SCPC: 17/18 jewels, Incabloc
280: =Omega 30SC T2 since 1949, 17 jewels
281: 17 jewels, excenter regulator
283,284: 17 jewels, antimagnetic
285: ring- instead screw balance
286: flat- instead Breguet-hairspring

Example, year: signature; shock device
1950: 12177409, Omega Swiss, 15 Jewels; Incabloc
(Omega 265)

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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