The EEC has confirmed that Huawei is working on two new smartwatches. One is called the Watch GT 2 Pro, making it a good candidate as the successor to the Watch GT 2. The other is headed to Honor, and its name suggests that there is a new series planned for Huawei's sister company.
https://www.notebookcheck.net/EEC-confirms-new-Huawei-GT-2-Pro-and-Honor-Watch-GS-Pro-smartwatches-ahead-of-possible-September-announcement.483501.0.html