Cory Doctorow: I'm entranced with the latest TokyoFlash impractical wristwatch from the future. The Shinshoku tells the time with a set of impenetrable color-coded LEDs that shine through holes in the metal mesh wristband. It requires that you rewire your brain to learn an entirely new time-telling system, which is good mental exercise, and it means that no one will ever ask to borrow your watch, except for fashion. Link See also: Radio Active watch from Tokyo Flash Crazy TokyoFlash watch: the Pimp Watch Binary LED watch from TokyoFlash Biohazard watch Japanese watches from the edge of cool Bingo Watch -- looks like a Bingo card Japanese watch blinks and beeps the time in Morse code Scope watch tells time using line-intersections on Cartesian grid Impractical lovely pixelwatch from Japan Japanese black-light watch uses mirrors to make time seem infinite