Anatel and the FCC have revealed that Amazfit is preparing to release next-generation smartwatches. If last year's release schedule is anything to go by, it should not be too long before Amazfit announces the GTR 3 and GTS 3.
https://www.notebookcheck.net/Amazfit-GTR-3-and-GTS-3-smartwatches-leak-in-hands-on-photos.563777.0.html