Casio G-Shock (GA-1000) - Battery Replacement And How To Sync Analog And Digital Time Using H.SET. - YouTube
GA-1000 short battery life. I replace the batteries in it less than a year ago and the battery is already dead. The batteries that came in it lasted just over a year.
GA-1000-1A | In the sky | G-SHOCK | Timepieces | CASIO
G-Shock Watch Batteries for all Models
G-shock Battery Change and AC Reset GA1100 GA1000 - Aviator Gshock Watch - YouTube