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Omega Constellation 168.017SP

C
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Hi,
I've recently brought this Constellation. I was wondering if the rotor is the correct one for the year and serial number and not a replacement. I love the watch, only one scratch on the caseback but everything else seems good. Can anyone help to identify if all the parts are 100% authentic. There's an Omega symbol on the crystal

20250923_160037.webp 20250923_155958.webp 20250923_155907.webp 20250923_155849.webp 20250923_155840.webp
 
Peemacgee
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Current thinking suggests the ‘O’ on the rotor means it is a replacement part.

However, the 29,4xx serial places the movt at or around the point where the rotor style changed to this more simple version.
 
Peemacgee
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BTW you will get more eyes on your post if you posted in the vintage section.
 
C
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Peemacgee Peemacgee
BTW you will get more eyes on your post if you posted in the vintage section.
Thank you, just did that.
 
Waltesefalcon
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I don't see any reason to think there is anything inauthentic about this watch, but as Peemacgee points out the 'O' likely points to a replacement rotor. All in all it's a lovely watch.
 
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