Hublot Big Bang Unico Sapphire Special Edition Nickel Plated Asia Valjoux 7750 Automatic Movement, 28800bph with Working Chronograph & Decorated Bridges & Plates & Rotor  45mm 17mm  Skeletonal Dial with Numeral Markers & Black Rehaut (With Swiss Grade Superlume Applied)  High Quality Plastics Transparent Case Kit that Displays the Dial & Movement very clearly (In Transparent Color)  Black Rubber Strap with Deployant buckle  Sapphire Crystal with Colorless Double AR Coating (Swiss Grade)  Display case back with Detailed Engraving High Quality Baguette Black Gems Bezel  Deployant Buckle At 4:30 Position (Adjusted via Crown) - Black Datewheel Waterproofed to 30m direct from Factory