Samsung Galaxy watches v Wear OS: Tizen or Android Wear
What is Samsung's Tizen OS and what devices is it on?
Samsung Galaxy Watch Active, Galaxy Watch Active 2, Galaxy Watch and Galaxy Watch 3 receive major updates containing new features - NotebookCheck.net News
Tizen Smartwatch - Best Buy
Samsung hasn't completely forgotten its Tizen smartwatches - The Verge
Samsung Galaxy Watch review
Samsung Galaxy watches v Wear OS: Tizen or Android Wear
Galaxy Watch 4 Review: Wear OS finally sticks the landing - 9to5Google