Looking for guidance on a Constellation 2943 4SC

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Good Evening Everyone,
I have managed to track down an Omega Constellation 2943 4SC and wanted some guidance. I have read Desmond's site and nothing appears off, but wanted some more opinions.

OMEGA
Constellation
2943 4SC
Year 1958
Caliber 504
16 x serial number
A tremendous thanks in advance.

 
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Cool!!!, appears to my eyes you have lume within the markers.....and the Special Lumed Hands that came from the factory when one ordered such. Minute hand is a normal hand, though.

I've only seen this in Constellations with the Big Arrowhead markers, but I'm sure Omega did it for any model.

Have you used a UV light on the dial?


All looks good to my eyes......the case back has had some heavy processing after photos, may be polished a few times as the bezel's bevel is a bit gone and not sharp. But could be just the processed photos.

Edited:
 
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You're good to go.



Ca 1960.
Thanks and you have a beautiful piece.
Is there anything I should know about the Cal 504?
The case is listed as 35mm. Is that correct?
 
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There were reportedly 25K cal 504 movements produced between '57 and '60. I don't know if there are any parts unique to the 504 other than the bridges; 502 and 503 parts should generally be interchangeable. Hopefully one of the technical experts here will chime in if there are parts specific to the 504.

Right off the top of my head I think 35 mm case diameter is correct; if anything, it could be slightly less.

Art