Amazon.com: [430mAh] Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, (2022 New Version) Upgrade Replacement Battery for SM-R770, BR760, R765, EB-BR760ABE, GH43-04699A with DIY Repair Tool Kits : Cell Phones ...
Amazon.com: Samsung Gear S3 Classic Smartwatch 4GB SM-R770 with Leather Band (Silver) Tizen OS - International Version with No Warranty (Renewed) : Electronics
Amazon.com: for 42mm Samsung Galaxy Watch Battery EB-BR810ABU Samsung Galaxy Gear S4 Battery Replacement, for SM-R810 SM-R815 with Repair Tool Set + Installation Instruction : Cell Phones & Accessories