The battery is dead. Long live the battery. If your quartz watch takes a licking but actually stopped kicking, never fear: you can easily change that battery yourself. All you need is a few tools and ...
The Samsung Galaxy Watch 5 typically lasts about 1.5 days on the 40mm model (284 mAh battery) and around 2 days on the 44mm model (410 mAh battery). If yours is dying significantly faster than that — ...