Latest Samsung Galaxy Watch 46mm user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Tizen 5.5; SAMSUNG SM-R800) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.106 Mobile Safari/537.36	Chrome Mobile 69	Tizen 5
Mozilla/5.0 (Linux; Tizen 4.0; SAMSUNG SM-R800) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/2.0 Chrome/56.0.2924.0 Mobile Safari/537.36	Samsung Browser 2	Tizen 4
Mozilla/5.0 (Linux; Tizen 4.0; SAMSUNG SM-R800) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.0 Mobile Safari/537.36	Chrome Mobile 56	Tizen 4
Mozilla/5.0 (Linux; Tizen 5.5; SAMSUNG SM-R800) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/2.0 Chrome/69.0.3497.106 Mobile Safari/537.36	Samsung Browser 2	Tizen 5