In this video, we show you how to replace the watch battery on a Casio G-Shock GA-2100 watch 5611 module. This tutorial will work for all Casio G-Shock GA-2100 models and variants, as well as other Casio G-Shock models.
If you're a Casio watch fan like us, make sure to subscribe to our YouTube channel & to check out our useful tutorials. Vintage lover? Check out our vintage Casio watch collection.