It's always good to see a concept, particularly one as appealing as Seiko's "active matrix" E Ink watch, make it to retail product. The company's had a thing for E Ink timepieces for a while now, but what sets this new one apart is the supposed 180-degree viewing angle it affords -- and, of course, those retro good looks do it no harm either. Then there's also the radio-controlled movement, which receives its time from the nearest atom