Every other year Samsung rolls out a new Galaxy Watch with a physical rotating bezel. This year, we’ve got the Galaxy Watch 8 Classic 
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I ran with Samsung’s Galaxy Watch 8 Classic, and it both humbled and motivated me
To start your journey with the Running Coach, you need to perform a running test that consists of a short warm up, 12 minutes of more intense running, and a short cool down. Samsung Health will guide you through the running test so connect your Bluetooth headphones and hit the road.
In addition to Running Coach, Samsung Health works with the Galaxy Watch 8 Classic to serve as a sleep coach that guides you through a coaching program to improve your sleep results. I’m currently a penguin sleeper and have a three week program underway. Sleep tracking seems accurate when compared to other wearables, and the Watch 8 Classic even supports sleep apnea indication monitoring.
Samsung designed a new dynamic lug system for the watch bands, and frankly I hate it. I understand it was implemented to improve the reliability and accuracy of health metrics, but so far I find it difficult to remove and insert the bands into the luges even with the detailed written instructions included in the package.
ZDNET’s buying advice
I bounce around between a lot of different smartwatches as part of my real-world testing here at ZDNET, but given the fantastic new Running Coach feature on the Galaxy Watch 8 Classic
Source : ZDNet