Seiko SWFH148 analog solar radio metal women watch 2025.5 releaseProduct Highlights Introducing our solar powered radio controlled watch, designed to display precise time and calendar information by receiving standard radio waves. It can receive radio signals from Japan, China, the United States, and Germany. The radio controlled watch automatically synchronizes once a day during the late night hours when standard radio waves are most easily received (around 2 a. m.). Placing it in a location where radio waves are