1984 video showing the world's first wristwatch computer Seiko UC-2000. It had 4000 characters of memory, could act as an address book, function as a calculator and play games. It could be programmed to run simple software applications as well.

1984 video showing the world's first wristwatch computer Seiko UC-2000. It had 4000 characters of memory, could act as an address book, function as a calculator and play games. It could be programmed to run simple software applications as well.