MacRumors reports that Apple has released the third beta of watchOS 6.2 to registered developers.
Apple Seeds Third Beta of watchOS 6.2 to Developers
Apple today seeded the third beta of an upcoming watchOS 6.2 update to developers, one week after seeding the second beta and a month after the release of watchOS 6.1.2 with bug fixes.
Apple Seeds Third Beta of watchOS 6.2 to Developers
Once the proper configuration profile has been installed from the Apple Developer Center, the new watchOS beta can be downloaded through the dedicated Apple Watch app on the iPhone by going to General -> Software Update.