This article explains how to connect a Samsung Galaxy Watch to your phone.
How to Pair Your Samsung Galaxy Watch with Your Phone – Setup Process
If you’re trying to connect your Samsung watch to the phone you originally used to set it up, the two devices should connect as long as they’re both powered on, have Bluetooth enabled, and there’s not too much wireless interference. Here’s what to do:
Place the phone and watch close to each other.
Turn on your phone’s Bluetooth in the Settings app. Also turn on your watch’s Bluetooth in Settings > Connections > Bluetooth.
