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
Gear S3 frontier 46mm smartwatch (Bluetooth), Dark Gray
Protective Case for Samsung Galaxy Watch 46mm & Gear S3 Frontier | StrapsCo
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Gear S3 frontier 46mm smartwatch (Bluetooth), Dark Gray
WITHit Band Kit for Samsung Galaxy Watch 46mm, Gear S3, Gear S3 Frontier, and Fossil Sport Woven Black/Bluestone/Black 52374BBR - Best Buy
Amazon.com: CooBES Compatible with Samsung Galaxy Watch 46mm/Galaxy Watch 3 45mm/Gear S3 Frontier/Classic Bands, 22mm Genuine Leather Cuff Bracelet Replacement Strap with Stainless Steel Buckle Men Women (Black) : Cell Phones &