Technology Casio WSD-F20A Smartwatch With Wear OS, Water-Resistant Body Launched April 18, 2018 johorbiznet Johor News Casio WSD-F20A Smartwatch With Wear OS, Water-Resistant Body Launched NDTV Casio announces PRO TREK WSD-F20A Indigo Blue smart watch GSMArena.com Casio unveils new Pro Trek Wear OS-based smartwatch for hikers BGR India Full coverage Source: Technology News Feed