This rugged protective case is designed for Apple Watch Ultra models with 49mm case size, compatible with Ultra 3, Ultra 2, and Ultra 1st generation. The case features a one-click opening mechanism for quick installation and removal. It includes a matching silicone band suitable for wrist sizes ranging from 5.71 to 8.46 inches. The combination of PC material and aluminum alloy frame provides military-grade shock absorption while maintaining a lightweight profile for everyday wear.