Samsung has announced its smartwatches will move on from Tizen and will come with Wear OS in the future, and there are at least two new series incoming - the Galaxy Watch4 and Galaxy Watch Active4. Four devices (both lineups in two different sizes) have been certified at 3C (the Chinese Compulsory Certification) with a 5W charger, but more interestingly, none of them will ship with a power adapter. The four variants are for the Chinese market since Samsung always marks the devices with a 0 at the end of the model number. According to our source, SM-R860 stands for Galaxy Watch...
Source: https://www.gsmarena.com/samsung_certifies_two_galaxy_watch4_devices_will_ship_without_adapter-news-49504.php