Casio Black G-Shock 5600 Solar Atomic Watch Gwm5610-1, Men's,Casio Black G-Shock 5600 Solar Atomic Watch Gwm5610-1, Men's,CASIO G-SHOCK GW-M5610-1 Tough Solar Radio Wave Watch MULTIBAND 6 Japan,My first G-Shock: GW-M5610-1ER. I grabbed the slightly older model for the EL back light. : r/gshock,GWM5610-1 | Black Digital Watch - G-SHOCK | CASIO