GMA-S2100-7A G-SHOCK GR-B300-8A2DR When measuring lap times

When measuring lap times

3 mm from the original 41

(Smartphone app) - Automatic time adjustment (four times a day)

Go metal-clad in all black with a G-SHOCK that says strong

GMA-S2100-7A G-SHOCK GR-B300-8A2DR When measuring lap timesFrom G SHOCK, the toughness watches that are ever evolving in an endless pursuit of strength, this downsized version of the popular GA 2100 model has a simple, thin design that eliminates waste while maintaining a tough structure. The base GA 2100 model is a thinner G SHOCK model that inherits the octagonal shape of the first DW 5000C model. The flat face and simple bar indices create a simple yet solid impression. The coloring is a matte white that