The Amazfit T-Rex 3 is a rugged smartwatch that aims to offer the style and features of premium wearables like the Apple Watch Ultra 2 and Samsung Galaxy Watch Ultra, but at a fraction of the cost. It boasts a tough design, a bright AMOLED display, and a variety of health and fitness tracking features. This review explores its design, software, battery life, and overall appeal as an alternative to expensive Ultra smartwatches.