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: NotoCity for Gear S3 Frontier Band No Gaps , Silicone Replacement Band for Samsung Gear S3 Frontier/ Gear S3 Classic/Galaxy Watch 46mm(army green) : Cell Phones & Accessories