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[ RIQUARTZ LED 860 ] RICOH JAPAN 1975

Men's Model with Identical Module to the PulsarJapanese manufacturer Ricoh, which collaborated on technology with Hamilton, released another LED watch using a men's dress model module from Pulsar. While the small stainless case design is similar to the Pulsar ladies' model, the red display is cut and stones are used for the top and bottom buttons. These and other details gave it a distinctive look...

[ RIQUARTZ LED 910 ] RICOH JAPAN 1973

Luxury LED Watch is First Produced in JapanThis is Japan's first LED watch. It used an early module made by Hughes Aircraft and a high frequency 786,432 Hz quartz. Due to the slightly above-center position of the LEDs, the round red display is also offset upward, enabling the LED digits to appear in the center of the display and also giving it a unique design....
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