While almost every aspect of the iPhone 12 may have already been revealed, there remains little reliable information about what Apple has planned for the next generation of the Apple Watch. A concept video shows what the Watch Series 6 could look like with a borderless display though, giving the smartwatch a more modern than the Watch Series 5 while while retaining its design language.
https://www.notebookcheck.net/Apple-Watch-Series-6-Concept-video-shows-an-impressive-borderless-design-for-Q3-2020-bound-smartwatch.466093.0.html