Image  |  FitBit
FitBit have jumped on the smart watch bandwagon with the Surge.  Packed with an arsenal of eight sensors: 3-axis accelerometers, a gyroscope, a compass, an ambient light sensor, GPS and a heart rate monitor, the FitBit Surge can provide a tonne-load of information on your pace, distance, elevation, calories burned, workout intensity and other sport-specific metrics which forms the basis of the fitness tracker.  On the smart watch side, it has a backlit LCD touch screen and shows caller ID, text alerts even has and music control.