Case Diameter: 39mm

Only the lettering at the top and bottom are engraved

Analog: 2 hands (hour

which is reinforced with carbon fibers

fold-over closure

G-Shock • GBD100-1 • Move Black Out series Case Diameter: 39mmThese are the latest additions to the G SHOCK MOVE lineup of sports watches, now 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. The watch maintains a constant Bluetooth connection with your phone to support auto time