Casio Men's GW-B5600 Solar Radio Bluetooth Equipped Bracelet Band GW-B5600BC-1BJFProduct Highlights In terms of functionality, this watch pursues precise timekeeping accuracy with Bluetooth connectivity and Multi Band 6 that supports standard radio waves from 6 stations worldwide. By linking with the dedicated G SHOCK Connected app1, it retrieves accurate time information from internet time servers. In areas covered by the standard radio waves of 6 stations worldwide, it features automatic time correction to obtain precise time