GBA-900-1A Case Color_Resin Black/White using heart rate variability

using heart rate variability

Shock Resistant

Standard buckle

and an auto lap feature automatically records the time it takes to cover a specific distance

central 60-Seconds hand

GBA-900-1A Case Color_Resin Black/White using heart rate variabilityIntroducing the latest POWER TRAINER additions to the GBA900 Series of Smartphone Link timepieces. This model can measure distance using an accelerometer while linked with the GPS function of a smartphone via Bluetooth. Once you take measurements with a smartphone, the next time you will be able to measure distance with the watch alone. Distance and running time measurements are used to calculate your pace, and an auto lap feature automatically