I've been using this GR-8900A since middle school (10y ago). No battery replacement or maintenance done so far. Keeps working without any complaints. Did anyone here replace a solar powered rechargeable battery
Casio G-Shock GR-8900A-1D Men's Digital Tough Solar Full Black Out Resin Watch (watch for man / jam tangan lelaki / casio watch for men / casio watch / men watch / watch
White G-Shock GR-8900A-7ER Tough Solar World Time Watch