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 :
Amazon.com: Meliya Bands for Samsung Gear S3 Frontier/Classic Bands for Women Men, 22mm Adjustable Soft Silicone Sport Strap Replacement Band for Samsung Gear S3 Frontier/Gear S3 Classic Smartwatch 4Pack(Gray+Black+BlueGray+WineRed) : Cell Phones
Valkit Compatible Gear S3 Frontier/Galaxy Watch 3 45mm Bands,22mm Stainless Steel Solid Wrist Band Metal Bracelet +Screen Protector for Gear S3 Frontier /Classic/Galaxy Watch 46mm, Sliver+B - Walmart.com