https://wccftech.com/download-watchos-7-3-3-also-available-for-apple-watch-with-security-fixes/

Apart from iOS 14.4.2 and iPadOS 14.4.2, Apple has also released watchOS 7.3.3 for Apple Watch users with important security fixes.

If you are in the ownership of the Apple Watch Series 6, SE, 5, 4 or 3, then there is an update waiting for you. It does not include any new features, but ensures that everything stays rock solid on the security and privacy end. We really do not have to explain how important this update is therefore just go ahead and install it.