If your Apple Watch isn't pairing with your iPhone, there are a number of ways you can fix the connection.
First, make sure both devices have Wi-Fi and Bluetooth enabled and are in range of each other.
Then, try restarting your Apple Watch and iPhone, as well as resetting your iPhone's network settings.
If all else fails, you can fully reset your Apple Watch, wiping your data and almost certainly allowing you to pair your iPhone again — just make sure you backup your watch before doing...
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