By most accounts, the first LCD (liquid-crystal display) wristwatch was the 1972 Gruen Teletime, a four-digit, segment-display timepiece that did exactly one thing—it told the time. In 1973, Seiko released the world’s first six-digit LCD quartz wristwatch (the extra two digits displayed seconds), and in 1974, Casio gave the world the Casiotron, whose digital chronometer allowed the watch to deliver calendar functions to its wearer. LCD...Continue Reading