The Apple Watch Series 8 could look an awful lot like its predecessors, if a CAD-based render is correct. Allegedly, Apple is only planning on making one visible change for its next-generation smartwatch, with no flat design to be seen.
https://www.notebookcheck.net/Apple-Watch-Series-8-CAD-based-render-leaks-showing-few-changes-from-this-year-s-smartwatch.580281.0.html