Samsung Galaxy Watch 4 vs Galaxy Watch 3: What are the differences?
Amazon.com: SAMSUNG Galaxy Watch 4 40mm Smart Watch Bluetooth - Black (US Version) Wireless Charger Fast Charge Pad Duo (2021),Black : Cell Phones & Accessories
Upgraded Health and Personalization Features Come to Galaxy Watch, Galaxy Watch Active, Galaxy Watch Active2 and Galaxy Watch3 – Samsung Global Newsroom
Samsung Galaxy Watch 4, Watch Active 4 could launch by June 2021 | Technology News - The Indian Express