![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://i.redd.it/zzadwac6xie61.jpg)
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 WATCHES PH - Introducing the WS-1700H-1AV offering resilience and longevity for up to 10 years, as well as a tide graph, moon data, 3 alarms and more to face the challenges
![Is your Apple Watch battery worn and in need of replacing? Here's how to tell without taking it off your wrist | ZDNET Is your Apple Watch battery worn and in need of replacing? Here's how to tell without taking it off your wrist | ZDNET](https://www.zdnet.com/a/img/resize/6ba93c94025a4e038eb484eded31da5030dd53e9/2020/10/03/36ee4978-7f67-4f46-8855-c71c91f911af/img-6739x.jpg?auto=webp&fit=crop&height=1200&width=1200)
Is your Apple Watch battery worn and in need of replacing? Here's how to tell without taking it off your wrist | ZDNET
![ConvenientElectronic watch LED electronic watch waterproof high-definition ultra-long battery life | Fruugo UK ConvenientElectronic watch LED electronic watch waterproof high-definition ultra-long battery life | Fruugo UK](https://img.fruugo.com/product/1/96/907641961_max.jpg)
ConvenientElectronic watch LED electronic watch waterproof high-definition ultra-long battery life | Fruugo UK
![SPOVAN Bluetooth Men's Watch, Fashion Sport Clock, Digital Watch.2 Years Battery Life,50m Waterproof watch. Relogio Feminino PR1 SPOVAN Bluetooth Men's Watch, Fashion Sport Clock, Digital Watch.2 Years Battery Life,50m Waterproof watch. Relogio Feminino PR1](https://m.media-amazon.com/images/I/51Jb+Qt8GlL._AC_UF1000,1000_QL80_.jpg)
SPOVAN Bluetooth Men's Watch, Fashion Sport Clock, Digital Watch.2 Years Battery Life,50m Waterproof watch. Relogio Feminino PR1
![Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2018/12/watch-battery-half-marathon.jpg?quality=82&strip=all)