I believe yours is the 39mm version with 20mm lug width? The mesh is the standard 20mm Omega mesh which is regularly for sale.
I was surprised how good the mesh looked considering the AT is seen as more of a dress watch
However my watch is the 42mm with 21mm lug width, that mesh came as a 22mm width which someone had already messed up and so I decided to cut a couple of row of links off to tidy it up which brought the width down to 21mm as all these Omega mesh bracelets taper to 20mm for the clasp. It did require an extra extension to bring the length back though
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