G-Shock CasiOak GA2100GB-1A Casio Youth this type of material provides

this type of material provides rigidity that is superior to that of resin alone

Made of carbon fibre-reinforced fine resin for a thinner

This muscular timepiece is equipped with a heart rate monitor

each individually polished for a stunning detailed texture

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

G-Shock CasiOak GA2100GB-1A Casio Youth this type of material providesGo metal clad in cool, sophisticated color with a slim GA 2100 that inherits the design concept of the first ever G SHOCK. The polished gleam of metallic color and the iconic octagonal form of the DW 5000C, the original G SHOCK, come together in a rugged digital analog combination timepiece measuring just 11. 8mm from bezel to case back. A slim design with the same tough G SHOCK construction. Finished beautifully with a circular hairline treatment,