Series 3 does not pair with IPhone X!
How can I pair back my series 3 back with my phone X?
Watch was removed from my iPhone X app for testing but still in my iCloud account. It does not pair it back
Apple Watch Series 3, 6
How can I pair back my series 3 back with my phone X?
Watch was removed from my iPhone X app for testing but still in my iCloud account. It does not pair it back
Apple Watch Series 3, 6
Without any further information, perhaps these articles will help:
If your Apple Watch isn't connected or paired with your iPhone - Apple Support
How to pair your Apple Watch with a new iPhone - Apple Support
Set up your Apple Watch - Apple Support
Series 3 does not pair with IPhone X!