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: WUHAO Battery for Samsung Gear S3 Frontier SM-R760 SM-R760N SM-R765 SM-R765T,Gear S3 Classic SM-R775T Replacement Battery, EB-BR760ABE for GH43-04699A Battery with DIY Repair Tools : Cell Phones & Accessories
Amazon.com: Supershieldz (2 Pack) Designed for Samsung Galaxy Watch (46mm) and Gear S3 Frontier Tempered Glass Screen Protector, Anti Scratch, Bubble Free : Cell Phones & Accessories
Amazon.com: Stan Lee 22mm Watch Bands Compatible for Samsung Galaxy Watch 3 45mm Band/Galaxy Watch 46mm/Gear S3 Frontier, Stainless Steel Magnetic Mesh Watch Band for Men Women (Lavender purple) : Cell Phones
Amazon.com: TOOLAIK Band Compatible for Samsung Galaxy Watch 3 45mm/Galaxy Watch 46mm Bands/Gear S3 Frontier/Classic, 22mm Smart Watch Band Silicone Casual Straps Accessories for Women Men (Army Green Camouflage) : Cell Phones
Amazon.com: 3 PACK Bands for Samsung Gear S3 Frontier/Classic Bands for Women Men, 22mm Soft TPU Sport Strap Replacement Band for Samsung Gear S3 Frontier/Gear S3 Classic Smartwatch(Black+Blue Gray+White) : Cell Phones