G-Shock • GRB300-1A • Gravitymaster Watch Color:Black Caliber Number: 4R34

Caliber Number: 4R34

MODEL: KC50922001

50M Water Resistant

indicating 200-meter and 100-meter water resistance

G-Shock • GRB300-1A • Gravitymaster Watch Color:Black Caliber Number: 4R34The skys the limit! Introducing the GRAVITYMASTER GRB300, a piece of aviation inspired professional gear designed to work even in the harshest environments, from the G SHOCK MASTER of G line. The GRB300 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