LG G Watch R -W110 User Manual page 202

3 Open the Android Wear app
A list of nearby devices will be displayed on your smartphone/
tablet. Touch your watch's name, which can be found on its
screen.
4
A pairing code will be displayed on your smartphone/tablet
and watch. Check that the codes match. Tap
pairing.
5 Touch Pair on your smartphone/tablet.
16
on your smartphone/tablet.
to begin