Casio G-Shock | GSTB100-1A Presage a 1/100th second stopwatch and

a 1/100th second stopwatch and a Countdown Timer

and it is sustainably powered by light with CITIZEN’s Eco-Drive technology

It also employs the Carbon Core Guard structure to preserve a similar fit on the wrist as the original model

contemporary and durable

Worn by Murphy Cooper

Casio G-Shock | GSTB100-1A Presage a 1/100th second stopwatch andCasio G Shock GSTB100 1A G SHOCK, the watch that always strives for toughness, the first G STEEL lineup models to offer chronograph performance in analog format. Thought all the dials of these models are analog, they still boast G SHOCK level shock resistance. The dial at 9 oclock has a multi functional rotating disk that is cut to resemble the thick blades of a jet engine. Rotation of the blades reveals red coloring behind the disk, and this change