My brother's watch lasted a decade on the original battery, and these batteries are tiny, so I'm just wondering.... how long with a big enough battery could one last? : r/casio
First battery change for the AW158 after 11 years : r/casio
Casio Quartz Watch A178W 3234 Men Silver Black Digital Alarm Chrono New Battery | WatchCharts Marketplace
Casio Digital Alarm Chrono Dual Time A178wa-1adf A178wa-1a Men's Watch | Achetez sur eBay
Casio F105W-1A, 7 Year Battery Illuminator Resin Watch, Alarm, Chronograph - UAE Financial Markets AssociationUAE Financial Markets Association