![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 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](https://preview.redd.it/zzadwac6xie61.jpg?auto=webp&s=f4ef2833263cf1ae5b309009d5a52cad874a1a2a)
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
![Casio] After 11+ years the battery is still running on my F-91W, the original strap even broke before the battery has run out : r/Watches Casio] After 11+ years the battery is still running on my F-91W, the original strap even broke before the battery has run out : r/Watches](https://i.redd.it/f9c9e93lskl61.jpg)
Casio] After 11+ years the battery is still running on my F-91W, the original strap even broke before the battery has run out : r/Watches
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