A lot of Breitling's designs are a little much for me lately, but there are a lot of really great older ones. And Seiko is pretty much a 100% in-house manufacture itself. They produce watches of great durability and diverse appearance. Plus they have some pretty fabulous technology in their higher end stuff (Grand Seiko and Spring Drive come to mind)
I have a whole mess of both and definitely enjoy them!
But I also love my G-Shocks. They have their place in my rotation as well.