Omega Tresor mesh question

So I recently aquired the Omega Deville Tresor 40mm watch with the 20mm lug width. I am looking for the mesh bracelet options. Omega now charges $900 for mesh so is it worth it?

No.

Find a generic equivalent on ebay. I've owned both. I sold the OEM.

Congratulations to your new watch, I hope you will be as happy with it as I am with mine. I chose a 20 mm width Milanaise bracelet by Staib Germany, 3.6 mm mesh height. It cost me around 160 Euros three years ago. It wears very nicely and I am quite satisfied. One disadvantage might be the amount of spacing elements over the butterfly clasp. I removed quite a lot of those, so for bigger wrists, there need to remain more of them in place, and they don't look as nice as the mesh.