Looks OK to me..
Hi Lorenz
it look's OK to me.
The 552 movement was used in MANY, MANY different omega models.
The last picture shows the inside of the caseback. I can see the model number as 166.002.
using this in the Omega Vinatge Information database, I get the following Info.
Reference number: ST 166.002
MOVEMENT
Caliber number: 562 / 565
Cal. 562
24 jewels, created in 1958
Cal. 565
24 jewels, created in 1965
Both with central sweep-second hand
DIAL
Metal, with luminous metal hands and luminous hour markers, with facetted relief.
CRYSTAL
Armoured hesalite
BRACELET
Leather
WATER RESISTANCE
30 meters
CASE
Stainless steel
Screw-in
Full metal
FUNCTIONS
Date
MORE PRODUCT INFORMATIONS
Case : round (34,3 mm diameter)
For leather straps of 18 mm lug-size
Also available with SS bracelet of ref. 1193/672
International Collection : 1962-1968
Swiss retail price (1966) : CHF 245.-
Also available in 14K yellow or pink gold-plated - 40 mic. - (JD or JE 166.002, CHF 275.- both) and in 18K solid yellow or pink gold (BA or BB 166.002).
Replaced watch ref. 166.001
Later replaced by ref. 166.037 (cal. 565)
That describes the watch shown in eBay perfectly.
I hope this helps
Steve