GBD-200-1 Quartz Move Resin BlackThe GBD200 is part of the G SHOCK MOVE lineup of sports watches, with Bluetooth capabilities that allow continuous connection with a smartphone. These watches can link with the GPS of a smartphone for quicker calibration of distance measurements, enabling more accurate running distance measurements, even during use without a phone connection. Other standard features include a step tracker(pedometer), interval timers (up to 20 sets of five timers