This men's Full Guard 2.5 grey smartwatch from Diesel will act as a statement piece. It has a customizable dial with visual enhancements like the appearance of a cracked screen when a private notification is received. This smartwatch is compatible with both Android OS 4.4+, Android OS 4.3+, iOS 7+ or iPhone 4s+, iOS 8+ or iPhone 5+, iPhone 5 or iOS 8.2+, iPhone 5 or iOS 9.0+ and are powered with WearOS by Google smartwatch platform. It is built with Accelerometer, Ambient Light, Gyroscope that alerts you of notifications, tracks your heart rate, also lets you control music from your wrist.