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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Omega 550

Features
automatic
sweep second

Data
Dm= 27.9mm, Do= 28.4mm
H= 4.5mm
F= 1.25mm
T= 1.65mm
17 jewels
f = 19800 A/h
power reserve 50h

Balance staff U2769

Stem W2790

Hands
1.50 x 0.80 x 0.18mm

Comments about the data

Remarks
1958-1969, 5800000 (550...565)

family/generations:
automatic:
550: 17 jewels
551: 24 jewels, chronometer
552: 24 jewels
560: 17 jewels, date
561: 24 jewels, date, chronometer
562: 24 jewels, date
563: 17 jewels, quickset date
564: 24 jewels, quickset date, chronometer
565: 24 jewels, quickset date
750: 17 jewels, day, quickset date
751: 24 jewels, day, quickset date, chronometer
752: 24 jewels, day, quickset date
manual wind:
600: Reed's regulator
601: excenter regulator
602: excenter regulator, chronometer
610: Reed's regulator, date
611: excenter regulator, date
613: excenter regulator, quickset date

Example, year: signature; shock device
1965: 22500621, Omega Watch Co Swiss, 24 Jewels; Incabloc
(Omega 552)

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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