Casio G-Shock Gravitymaster GPW2000-1A ,The First GPS Bluetooth Connected Watch Casio by wholesalewatches - March 23, 20170 Enter the Casio G-Shock Gravitymaster GPW2000-1A, the very first Bluetooth-connected model in the Master of G series and a watch that was designed specifically for pilots – but not only in the ways you'd expect. To be officially debuted at Baselworld 2017 and available from May 2017, let's have a