What size Samsung Galaxy Watch 8 or 8 Classic should you buy?

The Samsung Galaxy Watch 8 comes in two sizes, whereas the Samsung Galaxy Watch 8 Classic is only available in the one option. Here's which one you should get.

source https://www.androidcentral.com/wearables/samsung-galaxy-watch/what-size-samsung-galaxy-watch-8-or-8-classic-should-you-buy