I've been checking out radio controlled atomic watches at http://www.atomictime.com

Although I don't own one yet, I do have a Heathkit Most Accurate Clock that I assembled from a kit, as well as a Radio Shack atomic "alarm clock". It's nice to know the exact time. It comes in handy for setting VCR's for daylight saving time, getting to work on time, and other such things.

What appeals to me is the accuracy of these timepieces; for $99 to $399 they keep better time than just about anything else, except maybe a (much bulkier than a watch) GPS unit with time display.