Casio G-Shock Master Of G Gravitymaster Solar Carbon Resin Watch GR-B300-1A Grand Seiko It is this combination of

It is this combination of colors that has inspired the design of this new automatic timepiece

Crystal: Sapphire crystal

The full-metal hard stainless steel cases and the bezels of these two models have ion-plated finishes in either black or gold

the PRX is an ideal choice for style-savvy individuals

Special Edition on the case back

Casio G-Shock Master Of G Gravitymaster Solar Carbon Resin Watch GR-B300-1A Grand Seiko It is this combination ofThe skys the limit! Introducing the GRAVITYMASTER GR B300, a piece of aviation inspired professional gear designed to work even in the harshest environments, from the G SHOCK MASTER of G line. The GR B300 features a Carbon Core Guard structure, which delivers the shock resistance, rigidity, and corrosion resistance of carbon material used in aircraft fuselages. The carbon fiber reinforced resin case and the seamless bezel design inspired by next