Casio G-Shock Men's Watch GA-2100-1A1 Analog-Digital GA-2100 Series Carbon Core Guard Structure Vintage collection 12/24 Hour Formats

12/24 Hour Formats

With waterproof 100 meters

which supports automatic time setting adjustment based on one of six time calibration signals around the globe

batch viewing of calendar data

The strap is made of a sleek and lightweight resin material that is more comfortable to wear and waterproof

Casio G-Shock Men's Watch GA-2100-1A1 Analog-Digital GA-2100 Series Carbon Core Guard Structure Vintage collection 12/24 Hour FormatsFeatures 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