https://wccftech.com/apple-seeds-watchos-6-1-beta-2-and-tvos-13-2-beta-1-to-developers-download-now/

Today, Apple has seen fit to release watchOS 6.1 beta 2 and tvOS 13.2 beta 1 to developers for testing purposes. If you’re a registered developer, you can download the latest build on our compatible Apple Watch and Apple TV models. watchOS 6.1 beta 2 arrives almost a week after the first beta was released to developers and the same goes for tvOS 13 as it arrives almost a week after tvOS 13 was released. Let’s dive in to see some more details on the builds.

If you’re willing to install watchOS 6.1 beta 2 on your Apple Watch, make sure that a proper configuration profile is installed from the Apple Developer Center. Once you do that, launch the Apple Watch app on your iPhone and navigate to General > Software Update to install it.