It might help (if you want suggestions) to list your criteria. It sounds like you want something in the gray/black color scheme with a band/bracelet that’s not the typical Bond or Oyster style. Anything else?
Are you open to other brands? And what’s your price range?
Blancpain has just released the Fifty Fathoms in smaller (saner) sizes, cementing its spot, IMO, as the best luxury dive watch on the market, but that’s obviously a higher level of horology than Omega and a higher price point to match.
Downmarket there are the new Nivada Aquamars, which are really cool looking.
If it has to be Omega, are you only looking at new pieces or preowned/vintage too?
If it’s simply a this-or-that question, then you’re just going to get a few answers based on other people’s tastes, which probably can’t help you much. I wouldn’t choose either of those options, for what it’s worth, but that’s just me.