Features:Chronograph function with hours, minutes, and secondsDay and date displaySmall hacking secondsSapphire crystal with anti-reflective coating on both sidesIWC EasX-CHANGE® quick strap systemPressure-resistant sapphire glass secured against displacement Specifications:Movement Type: Automatic mechanical (Calibre 69385)Winding: Self-winding mechanical movementPower Reserve: Approx. 46 hoursFrequency: 28,800 vibrations per hour (4 Hz)Water Resistance: 10 bar / 100 meters Case:Material: BronzeDiameter: 41 mmThickness: 14.5 mmCase Shape: RoundCrystal: Convex sapphire crystal with anti-reflective coating on both sidesCaseback: Sapphire crystal exhibition case-backCrown: Screwed-in crown Dial:Color: Blue dialDisplay: Chronograph with hours, minutes, secondsAdditional Displays: Day and date windowHands: Chronograph hands with luminous visibility (standard for pilot chronographs) Strap:Material: Blue textile strapStrap Width: 20 mmBuckle Width: 18 mmClasp: Pin buckleSystem: EasX-CHANGE® quick strap change system Movement Details:Calibre: 69385 (Manufacture movement)Jewels: 33Number of Components: 242Balance Frequency: 4 Hz