Amazon.com: Charger Compatible with Samsung Galaxy Watch 42mm/46mm, Upgraded Charging Cradle Dock for Galaxy Watch SM-R800/R810/R815 Smart Watch Charger (Not for Active), Black : Cell Phones & Accessories
Just registered my SS Galaxy Watch SM-R800 that I have had for 5 years. Model and Serial in the watch matched what is on their website and the registration resolved it to
Sport Silicone Wrist Band for Samsung Galaxy Watch 46mm SM-R800 Strap for samsung Galaxy Watch 42mm SM-R810 Smart watch Straps - AliExpress