G-Shock • GRB300-1A • Gravitymaster Watch Color:Black battery life: 7 years on

battery life: 7 years on CR2016

Case Size: 45 mm

powerful statement with the Ignite Red line in the iconic black and fiery red that embody the ultimate toughness of the G-SHOCK brand

50M Water Resistant

Accuracy: ±15 seconds per month (with no mobile link function)

G-Shock • GRB300-1A • Gravitymaster Watch Color:Black battery life: 7 years onThe 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