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[ ELECTRONIC DIGITAL CALCULATOR WATCH ] UNISONIC PRODUCTS USA 1977

Calculator Watch with a Massive Case This calculator watch is thought to have been manufactured by Hughes Aircraft, the largest maker of LED modules provided to other manufacturers. The eight-digit, four-function calculator features large keys that can be operated with a finger and without a stylus, but its case is much larger than other models. A different case design for the Compu Chron brand al...

[ SOLAR POWERD COMPUTER CALCULATOR WATCH ] URANUS LED ϕ USA 1976

Unusual Design with Eye-Catching ButtonsAs its name indicates, this LED calculator watch was powered by a solar battery. The five-digit, four-function calculator is operated using the 12 buttons that are positioned around the screen and etched with numbers or symbols. The LED display is above center and the black figure of the solar panel is visible below. In addition to this model, a model that a...
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