Amazfit Falcon Titanium Unibody 1.High-strength and lightweight 2.Aircraft-grade material resistant to corrosion 3.Exquisitely balances toughness and class 4.Featuring four physical keys for easy control Seductive Sapphire Crystal Glass Screen Refined, regal, and ready to resist your roughest workouts, the watch’s sapphire crystal glass screen has a Mohs hardness rating of nine out of a possible 10 – putting it just below diamond on the mineral hardness scale. Mesmerizing HD Clarity The large HD AMOLED display is super clear with brightness up to 1,000nit. Choose a watch face with a matching always-on display, to keep an eye on the data that matters to you.