I'm no expert, what I do see is it doesn't seem to have the Omega globe trademark after "co-Axial".
What it is that makes you think fake?
Yeah it's odd as some things look bang on, mainly the rear of the watch, but then the strap and dial seem...off. Here's my list:
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The "O" in "Omega" on the face almost looks like its drooping a little, compared to others where all letters are perfectly aligned with each other.
In all photos of others with the same ref, incl. the images on the Omega site, EVERY white minute marker where the swirl pattern intercepts with them, are "cut off" by the swirl pattern. One the one I have from you, the white markers seem to be printed on top of the swirl pattern.
In all photos of others with the same ref, incl. the images on the Omega site, the swirl pattern stops BELOW the "S" in "Seamaster", but on the one I have from you, the swirl actual touches the "S".
As above, the same applies to the swirl where it seems to hit the letters "ma" in "Seamaster" on mine, but it stops BELOW these letters on every other model online.
In the model I have from you, where the swirl begins in the middle and goes off to both the 10 hour marker and the 12 marker, closest to the middle of the swirl, there seems to be tiny indents in the swirl itself, like its been badly imprinted during production.
The lettering on the clasp of the bracelet looks off too. On the one I have from you all of the letters look embossed, but on every other one online, all the letters look engraved.
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It's mainly where the swirls intersect with the lettering OR the minute markers, all other images online show the markers cutting off when this happens, but mine has those markers printed OVER the swirls.
Oh and sorry, the globe mark IS there, just my image catches a reflection and makes it appear as its not
