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Casio unveils Pro Trek WSD-F30, a rugged smartwatch that lasts up to 30 days on a charge | VentureBeat
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Amazon.com: Zshion for CASIO Pro Trek WSD-F30 Screen Protector,9H Hardness Tempered Glass Screen Protector for CASIO WSD F30 with Anti-fingerprint Bubble-Free Crystal Clear (2 Pack) : Cell Phones & Accessories
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