Casio's classic F-91 "Terrorist" watch turned into a smartwatch

Casio's F-91 wristwatch is available in many colors and materials and is famous for its overwhelming success and its designation as a "terrorist" signifier by hysterical U.S. investigators who found them being used as a timer in bombs. Casio has neglected to make a smartwatch version—it is very compact, after all—but an aficionado has stepped into the void. — Read the rest