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Casio Pro Trek Smart WSD-F30 smartwatch has a smaller case, better power management, and improved dual-layer display
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Casio unveils Pro Trek WSD-F30, a rugged smartwatch that lasts up to 30 days on a charge | VentureBeat
![Casio Pro Trek Smart WSD-F30 smartwatch has a smaller case, better power management, and improved dual-layer display Casio Pro Trek Smart WSD-F30 smartwatch has a smaller case, better power management, and improved dual-layer display](https://www.g-central.com/wp-content/uploads/2018/08/WSD-F30-outdoor-700x700.jpg)
Casio Pro Trek Smart WSD-F30 smartwatch has a smaller case, better power management, and improved dual-layer display
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