The "big" dealers here re-ship through the UK to EU destinations.
What's your price range? That is a big determining factor. ETA Subs start at around $280.
high quality replicas of diver's watches should be waterproof, but poor QC at the factories can trip this up. Always test!! This is an inexpensive insurance against disaster.
Yes, they are designed to be waterproof but what if the man who assembles it forgets a gasket. This happens! Always test.
Here's a Trusted Dealer's Ceramic Submariner (2011 model) with asian copy ETA movement.