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Michael Fisher on Twitter: "2016: Casio makes ProTrek Smart w/Wear OS 2017: Casio makes it better 2019: Casio makes it prettier 2020: Casio discontinues ProTrek Smart 😢 2021: Casio brings Wear OS
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Casio's new Wear OS smartwatch is also its first to have a heart-rate monitor - NotebookCheck.net News
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