I went with this one .. definitely like the flush look to the watch casing.
V-Moro for Gear S3 Classic/Frontier Watch Band, 22mm Solid Metal Stainless Steel Replacement Business Bracelet Wristband Strap for Samsung Gear S3 Sports Smartwatch 5.7“-7.48”(Metal Black+Clips)
V-Moro for Gear S3 Classic/Frontier Watch Band, 22mm Solid Metal Stainless Steel Replacement Business Bracelet Wristband Strap for Samsung Gear S3 Sports Smartwatch 5.7“-7.48”(Metal Black+Clips)