Samsung Galaxy Watch 46MM R800 - Silver/Black Latin Spec, International Version - Newegg.com
Samsung Galaxy Watch SM-R800 AMOLED Smartwatch 46mm Stainless Steel - Black SR | eBay
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
Amazon.com: ASDAWN 46mm Gear S4 Battery Replacement for Samsung Galaxy Watch EB-BR800ABU, Compatible with Galaxy Gear S4 SM-R800 SM-R805 with Repair Tools + Installation Instruction : Cell Phones & Accessories