WITHit Band Kit for Samsung Galaxy Watch 46mm, Gear S3, Gear S3 Frontier, and Fossil Sport Woven Black/Bluestone/Black 52374BBR - Best Buy
Gear S3 Frontier vs Galaxy Watch3 - Technically it's a marginally thinner but smaller housing, narrower bezels, and weighs significantly less. It feels thinner than it looks, maybe due to the back
For Samsung's Gear S3, size matters. And that's a problem - CNET
Amazon.com: Shangpule Compatible for Samsung Galaxy Watch 3 45mm Bands, Gear S3 Band Galaxy Watch 46mm Bands, 22mm Stainless Steel Metal Replacement Strap Bracelet Compatible Samsung Gear S3 Classic and S3 Frontier
Insten Stainless Steel Metal Band For Samsung Galaxy Watch 3 45mm (2020) / 46mm (2018) / Gear S3 Frontier, Replacement Strap For Women Men, Silver : Target
Hands-On: The Samsung Gear S3 Smartwatch Classic And Frontier (Designed By The Guy Who Brought You The Titanic DNA Watch From Romain Jerome) - Hodinkee