Amazon.com: Samsung Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection LTE US Version, Black (Renewed)
Upgraded Health and Personalization Features Come to Galaxy Watch, Galaxy Watch Active, Galaxy Watch Active2 and Galaxy Watch3 – Samsung Global Newsroom
Galaxy Watch4 and Galaxy Watch4 Classic: Reshaping the Smartwatch Experience – Samsung Global Newsroom
The Samsung Galaxy Watch 3 and the Galaxy Watch Active 2 gain new features, but only if you have a Samsung smartphone in some cases - NotebookCheck.net News