According to an allegedly leaked patent, the OEM OPPO will follow its first-gen smartwatch with 2 more. One of these drops the Apple Watch style for a round face instead; however, it still appears to have the attractive curved-edge glass of its apparent forebear. However, fans of the square face may not be disappointed either.
https://www.notebookcheck.net/OPPO-patents-a-version-of-its-Watch-with-a-3D-curved-round-face-new-leak.494285.0.html