G-Shock GRB300EC-1A Master of G AIR Gravity Master Emergency Colors Presage 5 hours of exposure to

5 hours of exposure to light

Hands: Luminous Black

And with shock resistance and up to 200M water resistance at the heart of their design

GPS Signal Frequency

G-Shock GRB300EC-1A Master of G AIR Gravity Master Emergency Colors Presage 5 hours of exposure toWhatever you're doing, wherever you are the G SHOCK Master of G line has your back. Based on GRAVITYMASTER, MUDMASTER, and MUDMAN models that deliver peak performance in punishing conditions in the air and on land, this line features a black watch case symbolizing toughness, with accents in vivid emergency colors that capture the world of professionals involved in rescue efforts and other critical missions. The organic form of the GRAVITYMASTER GR