https://wccftech.com/apple-seeds-watchos-7-and-tvos-14-beta-6-to-developers-download-now/

Today, Apple has seen fit to release the sixth beta of its upcoming watchOS 7 and tvOS 14 to developers for testing purposes. The latest beta build arrives a week after the fifth beta was released to developers and two months after the platforms were revealed to the public at Apple's WWDC event.

If you're interested, watchOS 7 beta can be downloaded on your compatible Apple Watch devices using the configuration profile that you can install through the Apple Developer Center. All you have to do is navigate to the dedicated Apple Watch app on your iPhone and head over to General > Software Update.