G SHOCK-MASTER OF G-AIR GRAVITY MASTER GRB300-1A 42 mm while its bracelet features a

while its bracelet features a sandblasted finish that adds ruggedness and character to its military design

a portion of the proceeds from sales of this exceptional Limited Edition will be contributed to marine conservation

Movement type: Automatic movement Chronograph

anti-reflective coating inside

ADDITIONAL FUNCTIONS

G SHOCK-MASTER OF G-AIR GRAVITY MASTER GRB300-1A 42 mm while its bracelet features aThe 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