...is at the top of the "m-u-s-t f-i-n-d o-n-e!!' list. It hasn't been easy identifying the model, and it is confusing to a non-vintage-Rolex type because there are other Subs adorned with busier Arabic script or logos. Indeed, researching recently which watch had the particular elegant script of the watch in your post revealed that it is not alone in your collection, is that right? Are there others which should be joining you in Oman?
Cheers,
pplater.