Casio unveils Pro Trek WSD-F30, a rugged smartwatch that lasts up to 30 days on a charge | VentureBeat
![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 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](https://m.media-amazon.com/images/I/61Tf3Xsi6fL._AC_UF894,1000_QL80_.jpg)
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
![Casio F-30 Early 90's simple vintage. Just spent 20 minutes working out how to change the battery. See picture 2 to see why! : r/casio Casio F-30 Early 90's simple vintage. Just spent 20 minutes working out how to change the battery. See picture 2 to see why! : r/casio](https://preview.redd.it/casio-f-30-early-90s-simple-vintage-just-spent-20-minutes-v0-ynrzcs9tv6i81.jpg?width=640&crop=smart&auto=webp&s=65eca42b0cb43afc1a7bb251d3cdd8018a23b97d)
Casio F-30 Early 90's simple vintage. Just spent 20 minutes working out how to change the battery. See picture 2 to see why! : r/casio
![Charging Cable Compatible With Casio Wsd-f21hr / Wsd-f30 / Wsd-f20 Magnetic Cable Nylon Braiding Quick Charge - Watch Charger - AliExpress Charging Cable Compatible With Casio Wsd-f21hr / Wsd-f30 / Wsd-f20 Magnetic Cable Nylon Braiding Quick Charge - Watch Charger - AliExpress](https://ae01.alicdn.com/kf/S4f44e2a1113b453eab6f7a22867695fdo/Charging-Cable-Compatible-With-Casio-WSD-F21HR-WSD-F30-WSD-F20-GSW-H1000-Magnetic-Cable-Nylon.jpg)