3/24/2024 0 Comments Vintage timex m cellThe thing that makes this watch unique is that it does not use an LSI (large scale integrated chip) but instead is made up of discrete logic and driver chips using hundreds of wire bonds to connect them up. It actually predates the Pulsar and launched Uranus into a patent fight with Hamilton (Uranus lost). 1971) and one of only a few made (hugely expensive to build). It is one of the very earliest "wearable" wristwatches made by Uranus (approx. Uranus - "This is one of the earliest LED watches in existence. Nepro - 1975 LED with raised display and backside solar panels.ģ. That distinction is commonly given to the 1970's Pulsar LED.Ģ. Heavily debated within a microcosm of vintage watch collectors as the first digital watch ever. Solar panels on the top with a sideview LED display. Synchronar - Conceived in the early sixties and first produced in 1968, the first Solar watch ever was invented by the reclusive inventor Roger Riehl.
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