Blue seems to be a hot color again. That's not a bad thing. Here are some that I've come across recently.
Praedo - Pilot's watch (~$300 - automatic) -
http://www.ablogtowatch.com/praesto-...-watch-review/
Pita Oceana - (~$3800 - $18,000; multiple metals including Ti, strap colors, etc.)
Prometheus
All the best.