Not the easiest thing to find, but if you do pick up this Space Invaders LED watch, you'll certainly turn a few heads.
A limited edition of just 500, the watch shows the time as a red dot-matrix display, with a press of a button replacing the digits for the words 'space invaders', followed by some game-like invaders animation and the words 'game over'. All wrapped up in a 70s-style casing with the game's logo on the front and back.
Downside? Well, one big one – you can't actually play the game on the watch. Sold in a custom box, you can pick them up from Japanese online retailers (like the one below) for the equivalent of £143.