WearOS smartwatches may not be as popular as Apple's or Samsung's equivalents, but you can currently get one for just US$99, £89 in the UK and €99 in the Eurozone. The Skagen Falster 2 comes in multiple looks and features a heart rate monitor, GPS and NFC for use with Google Pay.
https://www.notebookcheck.net/Grab-a-WearOS-smartwatch-for-US-99-with-the-Skagen-Falster-2.500557.0.html