The April 1981 "Future Computers" cover of Byte magazine featured a smartwatch with a floppy drive and Qwerty keyboard. Yes, the April 1, 1981, issue:

The cover illustration was by Robert Tinney and you can buy a print at his site. You can also read the entire issue at the Internet Archive.

Via Time and Cory Doctorow.

You are now looking at Screenburn, a Kotaku blog dedicated to the best gaming images, videos and GIFs online.