Casio G-Shock Men's Watch GA-2100-1A Analog-Digital GA-2100 Series Shock Resistant Carbon Core Guard Structure Couple Men's Fashion *May be updated when connected

*May be updated when connected to a smartphone

along with an accelerometer that keeps track of your step count

The app automatically records altitude data measured by the watch and route information acquired by a smartphone's GPS

Access your smartphone GPS via Bluetooth® for precision accelerometer measurement

Casio G-Shock Men's Watch GA-2100-1A Analog-Digital GA-2100 Series Shock Resistant Carbon Core Guard Structure Couple Men's Fashion *May be updated when connectedFeatures Carbon Core Guard structure Ever since the first DW 5000C went on sale back in 1983, G SHOCK has continued to push the limits of timekeeping toughness while creating new and original designs. These new models embody these efforts in an attractively thin configuration. These new models inherit the octagon form that was also employed for the original DW 5000C. Analog digital timekeeping comes packed into a no nonsense simple design without