Apple Watch 3
Fully charged but watch is not turning on. Is there a way to reset?
It did not get wet or dropped, just stopped working.
Apple Watch
Question marked as
Try these steps:
If your Apple Watch won't charge or it won't turn on - Apple Support
If you still need help, contact Apple Support.
You can also try:
Unpair and erase your Apple Watch - Apple Support
But it may be a hardware problem. For repair & service:
watch Repair - Official Apple Support
watch Service Pricing - Apple Support