Aerospace Materials - Titanium Case
Case of lightweight titanium, which is 30% lighter and 40% harder than stainless steel. Sapphire crystal mirror surface, sapphire measures 9 on mohs scale, and second only in hardness to diamond. Combining a titanium case with a sapphire mirror creates a tough watch that is rust-proof, scratch-proof, and impact-proof. Titanium case provides a constant temperature wearing experience in any season. If you need a watch that can be worn all year round in different scenarios, this is a perfect choice.