Got this GShock GW-M5600 since 2008. Battery went to low only once after I started getting into Seikos. It's my time reference when I set my automatic watches :) : r/BuyItForLife
Casio G-Shock GW-M5600 Solar/MultiBand Square SOLD | WatchUSeek Watch Forums
GWM5600-1 - G Shock | Casio CANADA
G-Shock GW-M5600a-9 Yellow Multi Band Radio Solar Square 5600 gwm5600 | WatchCharts
One of my G-Shock grails, the GW-M5600-1, acquired Friday, 01/25
Casio Watch Parts Bezel/Shell GW-M5600, GW-M5610 All Black Gray Letter – WristWatcher
Unisex TOUGH SOLAR DIGITAL Watch CASIO "G-Shock" (3063) GW-M5600. Alarm.Chrono | eBay