Just been looking at the new items on that site.
RLT Watches New Items
Now in my opinion you couldn't go wrong with this for flying for 28 pounds.
Its the pressure test which costs the money. Most of which I presume is insurance for if it leaks which is another good reason for an eco drive.
I love it when you order something then after a bit it turns out better than you realise. I have always liked Russian engineering my SLR camera is russian as well its not exactly stealthy (clickty clackerty clunk) taking a photo but it takes very good quality ones