Citizen 7400 Multizone Radio Controlled WatchModel: 7400 c70007, Citizen Radio Control Year Produced: 1993 Features: The Origin. Released in 1993, Citizens 7400 was the worlds first radio controlled analogue watch. Not only was it a technical milestone, it looked beautifully strange doing it. During the design phase, Citizen encountered a serious problem the metal parts of the movement would sometimes block the radio signal. The solution? Elevate the antenna above the movement and all of its