Garmin on replacing the Forerunner 245, a smartwatch that is almost three years old. Reportedly, Garmin will announce Forerunner 245 successors as the Forerunner 255 and Forerunner 255s, both in music and non-music/non-Wi-Fi editions.
https://www.notebookcheck.net/Garmin-Forerunner-245-successors-leak-as-the-Forerunner-255-and-Forerunner-255s.613321.0.html