One of the drawbacks for me with the NATO strap on my Omega Planet Ocean is that the strap covers the movement and raises the profile of an already sizeable watch. I noticed PO photos with a rubber strap and as Omega doesn't offer that option, I was wonde...
Have been an enthusiast for decades so like you i've looked for various straps online (eBay, Etsy, etc). I've found some amazing want bands on AliExpress. Hope this helps.