GR-B300-8A2 G-SHOCK GA-110GB-1ADR The tough digital GD-B500 goes

The tough digital GD-B500 goes smaller and slimmer to meet today’s needs

The feature ensures that the ol' razzle dazzle stays on track

Handy stopwatch

easy to read display and large case

GR-B300-8A2 G-SHOCK GA-110GB-1ADR The tough digital GD-B500 goesThe 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