"To charge the watch" means to connect the watch to a power source, usually through a cable, in order to replenish its battery and ensure it has enough power to function properly.
Sentences with «to charge the watch»
The process of charging your watch is also intuitive and user - friendly. (indabaa.com)
If I would have to charge my watch as often as I charge my phone, I'm not too sure I would purchase one. (tomsguide.com)
But the good part is that you really don't need to charge this watch everyday. (gogi.in)