Once you have paired your iPhone and Apple Watch together and received a Glympse, you will be able to view Glympses on your watch by following these steps:
1. On the watch app, tap 'Active'.
2. This should take you to a list of your active Glympses.
3. Tap on the recently received active Glympse.
4. You will be taken to the map view on your watch where the sender's location should be visible.