Apple released this update right a week after they released watchOS 6.2 beta 5. Apple has switched to a one-week release schedule as seen in watchOS beta, iOS and iPadOS beta and macOS beta. The build number for this update is 17T5254a which indicates that the final version of this software will be released to the public very soon. watchOS 6.2 may get released as soon as next week.
watchOS 6.2 will bring bug fixes and improvements to your Apple Watch so make sure to keep an eye out for this final update next week for your Apple Watch.