GA-2100NN-1A Movement Type_Automatic The basic black motif is

The basic black motif is accented by gold gears and dials that give these watches a mechanical look

QUARTZ MOVEMENT

an automatic helium escape valve and a water-proof black rubber and blue fabric strap

countdown timer progress beeper

GA-2100NN-1A Movement Type_Automatic The basic black motif isElectrify your style! Introducing a stellar new G SHOCK in iridescent, digital glitch blazing, multi angle pattern printing, and translucent resin. Case size (L W H) 48. 5 45. 4 11. 8 mm Weight 51 g Case and bezel material Case bezel material: Carbon Resin Band Resin Band Construction Shock Resistant Carbon Core Guard structure Water resistance 200 meter water resistance Power supply and battery life Approx. battery life: 3 years on SR726W X 2 Glass