Vivo has added the Vivo Watch 2 to its Smart Health app, hinting at its impending release. The upcoming smartwatch has a circular display and smaller bezels than its predecessor, but it may only be available as a 46 mm smartwatch.
https://www.notebookcheck.net/Vivo-Watch-2-teased-in-Vivo-s-Smart-Health-app.578369.0.html