G-Shock GSTB400D-1A G-Shock Tide These watches can link with

These watches can link with the GPS of a smartphone for quicker calibration of distance measurements

GA110DC-1A

but in a lustrous mirror finish

a lap timer

The Tough Solar system

G-Shock GSTB400D-1A G-Shock Tide These watches can link withIntroducing new colour variations to the line up of slim G STEEL GST B400 models with new, improved designs made possible by a thin module and carbon core guard structure. There is a standard model in this line up, the all silver colour GST B400D. The GST B400 is made possible by even further miniaturization of its parts and thinning of its modules without sacrificing any Bluetooth or solar function. Power consumption has also been significantly