https://wccftech.com/download-watchos-6-2-1-for-apple-watch-with-facetime-bug-fix/

You can now download watchOS 6.2.1 for Apple Watch. It features the same FaceTime bug fix which we saw with iOS 13.4.1.

Apple has released a small update for the Apple Watch. watchOS 6.2.1 packs nothing more than a small bug fix that pertains to FaceTime. Here is the complete changelog of the update: