My old Samsung Gear S3 classic 46 mm vs the Galaxy Watch 4 40 mm that I replaced it with. This feels like a major upgrade, and I am loving Wear OS 3. : r/GalaxyWatch
Samsung Gear S3 vs Apple Watch: What's the difference and which is better?
Samsung Gear S3 Frontier vs S3 Classic [Ultimate Comparison]
Samsung Galaxy Watch v Gear S3: The key differences between the smartwatches
Samsung Gear S3 Frontier Review: Why It's (Almost) the Best Smartwatch | Tom's Guide
Performance | Samsung Gear S3 - The Official Samsung Galaxy Site
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 Original Replacement Battery EB BR760ABE For Samsung Gear S3 Frontier / Classic Smart Watch SM R760 SM R770 SM R765|Mobile Phone Batteries| - AliExpress