I fear you may get sucked into the Kaleidoscope watch if you stare at it too long. Though it may take you the full length of the video to work out how to tell the bleedin' time on it.

Sadly it's just a concept dreamt up by Gro Design, but it's one I'd love to see become a reality. Get to it, Gro! [Gro via Core77 via Technabob]