Someone knows this one???? Thank you

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Passover

·Feb 6, 2026

Hi,

I have seen some Omegas over the years but never before this one!

Is it authentic? Does anybody know the reference?

Case diameter without crown is "33mm", "Lug width 18mm"

Thank you!

 

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DON

·Feb 6, 2026

Could be a 28.10RA SC? Could be any manual wind. No movement or inside back image?

 

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Passover

·Feb 6, 2026

DON

No movement or inside back image?

Unfortunately not!

But reviewing the description it seems to be "hand wound"

 

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bardamu

·Feb 8, 2026

It could be a manual 420, something like ref 2690 or 2647

Edited: Feb 8, 2026

 

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Passover

·Feb 8, 2026

bardamu

It could be a manual 420, something like ref 2690 or 2647

That makes sense, thank you!

 

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Seaborg

·Feb 8, 2026

Well, I will soon be able to tell you what ref this watch is 😜

 

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Seaborg

·Feb 12, 2026

I thought it was a bumper, but no, listing was correct, it is indeed a manual winding watch.
Didn't manage to open the caseback yet 🥲

Edited: Feb 12, 2026

 

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bardamu

·Feb 12, 2026

Seaborg

I thought it was a bumper, but no, listing was correct, it is indeed a manuel winding watch.
Didn't manage to open the caseback yet 🥲

Very nice, dibs! 😉