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Zeallistic on Instagram: "Most people think the smartwatch is a modern invention. They're off by about 40 years. 🤯🕰️ You are looking at the Casio T-550, an engineering marvel from 1983 that predates the consumer internet. This isn't just a watch; it's one of the first consumer devices to feature a fully integrated touchscreen. The technology here is a masterclass in analog-to-digital conversion. The screen isn't capacitive like a modern iPhone; it's a transparent digitizer laid over the watch

T800 Ultra smart watch