G-Shock Gravitymaster GRB300-1A Casio Clocks iconic form of the first-ever

iconic form of the first-ever G-SHOCK

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

including models like the  GWGB1000-3A

Simply tap into the dedicated app for precision timekeeping that keeps you on track

GD400 (Red)

G-Shock Gravitymaster GRB300-1A Casio Clocks iconic form of the first-everThe 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 fibre reinforced resin case and the seamless bezel design inspired by next generation aircraft come together in a bold and powerful form. Envision the world through a pilots eyes with the flight log memory function for recording current location and time, as well as dual