How do I erase my data from my stolen Apple Watch

Use the info in this link;

https://support.apple.com/guide/watch/sell-give-away-or-protect-a-lost-apple-watch-apdd3f9d7bc6/watchos

ASC - Late 2012 Mac mini, macOS 10.15.3; Watch, series 5 GPS/cellular, watchOS 6.1.2; iPad Air 2, ipadOS 13.3.1; iPhone 8+, iOS 13.3; TV 4th Gen, tvOS 13.3.1;  HomePods, audioOS 13.3.1 and Airport Express w/ Airplay 2