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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 Announces Release Date for PRO TREK Smart WSD-F30 Smartwatch for Outdoor Enthusiasts | Casio USA
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Casio's WSD-F30 is a longer-lasting and (slightly) slimmer rugged smartwatch - NotebookCheck.net News
![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)