G-Shock GBA900-7A Backpacks Powerful 50+ UPF protection from

Powerful 50+ UPF protection from harmful ultraviolet rays

Size of case: 48

Tonal buttons for a sleek finish

It features a brass cut out chevron

G-Shock GBA900-7A Backpacks Powerful 50+ UPF protection fromIntroducing 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