After installing the latest version (7.7) from the Apple App Store, I do not see the Apple Watch feature. I am running Big Sur on an iMac (Retina 5K, 27-inch, 2017). Big Sur is at version 11.1. See the attached screenshot.
1Password Version: Version 7.7 (70700016)
Extension Version: N/A
_OS Version:macOS 11.1
_Sync Type: Not Provided
Referrer: forum-search:big sur