According to a new report, the switch from Tizen to One UI Watch will correlate with a sharp price increase for Samsung's smartwatches. Apparently, the Galaxy Watch4 will cost at least €350, while the Galaxy Watch4 Classic could be closer to €500.
https://www.notebookcheck.net/Samsung-Galaxy-Watch4-and-Galaxy-Watch4-Classic-European-prices-leak-ahead-of-next-month-s-anticipated-launch.548688.0.html