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   High Quality Plastics Transparent Case Kit that Displays the Dial & Movement very clearly   Translucent White Rubber Strap with Deployant buckle   Sapphire Crystal with Colorless Double AR Coating (Swiss Grade)   Display case back with Detailed Engraving     High Quality Plastics Transparent   Bezel     Deployant   Buckle   At 4:30 Position (Adjusted via Crown) - Black Datewheel Waterproofed to 30m direct from Factory