G-Shock Master of G Gravitymaster GRB200-1A case_gold Small seconds

Small seconds

With the Spring Drive movement tested for precision by astronaut Richard Garriott on the International Space Station

Lug to lug height: 47-48mm

Amortiser patented anti-shock system

G-Shock Master of G Gravitymaster GRB200-1A case_gold Small secondsG Shock's signature toughness in the rugged Master of G collection takes to the skies with an all new Quad Sensor equipped Gravitymaster pilot's watch. The Quad Sensor Gravitymaster is built around G Shock's high strength, highly weather resistant Carbon Core Guard Structure, which protects the module with a resin case reinforced with carbon fibers. This, combined with world renowned shock resistance, creates a structure that is also highly vibration