Hublot Big Bang Unico Skeleton Dial Chronograph Automatic, Black Fabric Dial, Damasteel Brushed Polished Case, Deployment Fold-Over Clasp with Push Button, Fixed H Style Screw Bezel, Silver Luminous Hands, Arabic Stick Hour Markers, 60 Minute Sub-dial, Small Seconds Sub-dial, Date Display at 3 O'clock via Aperture, Automatic Chronograph movement powered by Hublot Calibre HUB1280 engine with Power Reserve indicator and 72-hour autonomy, Flyback Chronograph complication, Sapphire Crystal Branded Case Back, 14.5mm thick case, Skeleton construction visible dial, Black Fabric Strap, Unique Case Shape, Water Resistant to 100 meters / 330 feet, Includes Original Box/Manual/Paperwork, Model Reference: Hublot Calibre HUB1280 Chronograph Movement