Casio G-Shock Men's Watch GA-2100-1A1 Analog-Digital GA-2100 Series Carbon Core Guard Structure MEN'S STANDARD battery life: 3 years on

battery life: 3 years on CR1616

Mach indicator (speed exceeding 1225 units/hour)

The whole series is equipped with life waterproofing

Battery life estimate: 10 years of electricity (using CR2012)

Casio G-Shock Men's Watch GA-2100-1A1 Analog-Digital GA-2100 Series Carbon Core Guard Structure MEN'S STANDARD battery life: 3 years onFeatures 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