I spoke with this company in the UK.
http://www.wallworkht.co.uk
They do PVD coatings on watch parts. Shouldn't be a problem posting to them from the USA.
I've always wanted to do something along these lines - well I guess to start with a non chrono, but never have the time (or probably the patience either).
I used to surf the break at Gwithian as a kid. Never surfed at St Aggie for some reason.
I was in Bucks for many years and feel your pain being so far from the sea.
When I first moved back I loved the sound of the Seagulls now they're just bloody shitehawks!