Announcing the new Pulsar Time Computer in the early 1970s, the Hamilton Watch Company advertised its pioneering electronic digital watch as “the first completely new way to tell time in 500 years.” ...

“From time to time we show new products, but this is wild.” So said a grainy, black-and-white Johnny Carson on NBC’s Tonight Show on May 5, 1970, beamed across the US on the eve of Hamilton Watch ...