Amazon.com: TiMOVO Band Compatible with Samsung Gear S3 Frontier/Galaxy Watch 3 45mm/Galaxy Watch 46mm, 22mm Soft Silicone Strap fit S3 Classic/Huawei Watch GT3 46mm/GT/GT2 46mm/Ticwatch Pro 3, Army Green : Cell Phones
For Samsung's Gear S3, size matters. And that's a problem - CNET
Amazon.com: Compatible for Samsung Gear S3 Frontier/Classic Case Bezel Cover, Metal Bezel + TPU Protector Bumper Case, Also Fit for 2018 Released Galaxy Watch 46mm/NOT for 2021 Galaxy Watch 4 Classic 46mm :