Garmin has presented the Forerunner 955, also available as the Forerunner 955 Solar. Only available in two colours, the Forerunner 955 series has a familiar design, a few new features and longer battery life than the Forerunner 945 series.
https://www.notebookcheck.net/Garmin-Forerunner-955-and-Forerunner-955-Solar-presented-with-up-to-20-days-of-battery-life.624211.0.html