Casio Men's EDIFICE Sospensione EFS-S640PB-1AJF WatchProduct Highlights Introducing the solar powered model with a carbon fiber reinforced resin dial from the EDIFICE Suspension Series, featuring a suspension arm design. The solar cell is meticulously designed to charge efficiently with just a small opening on the dial for light reception. Once fully charged, it stores enough energy to power the watch for approximately 5 months of regular use. The use of carbon fiber on the dial, made possible by the