Casio G-Shock Men's Watch GA-2100-1A Analog-Digital GA-2100 Series Shock Resistant Carbon Core Guard Structure Couple Men's Fashion Tide graph (tide level for

Tide graph (tide level for specific date and time)

Built-in 1/100 second code table

battery life: 3 years on CR2016

Access your smartphone GPS via Bluetooth® for precision accelerometer measurement

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

Casio G-Shock Men's Watch GA-2100-1A Analog-Digital GA-2100 Series Shock Resistant Carbon Core Guard Structure Couple Men's Fashion Tide graph (tide level forFeatures 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