The GA100-1A1 has become a staple in the ever expanding G-Shock family

Join a spectacular celebration of the G-SHOCK and HUF spirit of dedication to the street scene and constantly pushing the limits

Deployant Clasp with Push Buttons

This new digital display lineup features brilliant feminine light purple coloring

Flasher with buzzer that sounds for alarms

Casio • CA53WF-8B • Vintage Color:White The GA100-1A1 has become aFEATURES Case size (L W H): 43. 2 34. 4 8. 2 mm Weight: 25 g Case and bezel material: Resin Band: Resin Band Water resistance Power supply and battery life: Approx. battery life: 5 years on CR2016 Glass: Resin Glass World time Dual time Stopwatch 1 100 second stopwatch Measuring capacity: 23: 59'59. 99'' Measuring modes: Elapsed time, split time, 1st 2nd place times Alarm hourly time signal Daily alarm Hourly time signal Calendar Full auto calendar