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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's WSD-F30 is a longer-lasting and (slightly) slimmer rugged smartwatch - NotebookCheck.net News
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For Casio Wsd-f10/f20 F30 F21hr Gsw-h1000 Pre-trek Smartwatch Data Cable Charger - Smart Accessories - AliExpress
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Amazon.com: IPG for Casio Pro Trek Smart WSD - F30 Outdoor Watch Screen Protector (2 Units) Invisible Ultra HD Clear Film Anti Scratch Skin Guard - Smooth/Self-Healing/Bubble -Free by IPG : Cell
![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/Pro-Trek-WSD-F30-wrist-shot.jpg)
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 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/Pro-Trek-Smart-WSD-F30.jpg)