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
Samsung Gear S3 Frontier review: Lots of features, not enough apps | Engadget
Nylon Watch Band for Samsung Gear S3
Samsung Galaxy Watch 3 vs Galaxy Watch vs Gear S3 - Worth the Upgrade? - YouTube
Amazon.com: Compatible for Samsung Galaxy Watch 3 45mm Band - Gear S3 Frontier & Classic Bands/Galaxy Watch 46mm bands, 22mm Soft Silicone Replacement Breathable Sport Bands straps for Men and Women :
Samsung Galaxy Watch vs Samsung Gear S3: What's changed? | T3
Samsung Gear S3 Review | Tested by GearLab
Best 5 Smart Watches - Find one for your budget - SamMobile - SamMobile