G-Shock GGB100XM-1A Master of G Mudmaster Metal Bezel Quad Sensor Carbon Silver Luminox Black Ops Steel A.8401 Perpetual calendar to February 28

Perpetual calendar to February 28

Sapphire Glass with non-reflective coating

its one-of-a-kind face

AIKON #tide Benzilla - show your true colours

The logo at the top center of the dial glows in the dark

G-Shock GGB100XM-1A Master of G Mudmaster Metal Bezel Quad Sensor Carbon Silver Luminox Black Ops Steel A.8401 Perpetual calendar to February 28For the fearless adventurer, a tough and rugged Master of G MUDMASTER featuring a strong, durable metal bezel. The watches of the G SHOCK Master of G line, developed for professionals working in the harshest environments, come equipped with even tougher functionality. And the MUDMASTER takes this another step further with the ability to handle the roughest rubble and debris strewn terrains, earning the appreciation and trust of rangers and rescue