MOVEMENT: Asia 7750 secs @ 6:00 Valjoux Automatic with Functional Chronograph fully decorated Rotor & Bridges/Plates like Rolex Genuine Calibre 4130 for Daytona Chronograph CASE DIAMETER: 40mm THICKNESS: 15mm DIAL COLOR: Black Dial with Stick Markers (Superlume Applied on Markers) CASE MATERIAL:Thick Swiss Grade DLC Coated on Solid Stainless Steel 316F BRACELET:DLC Coated Solid Stainless Steel 316F Bracelet with Deployant Buckle FRONT GLASS: Sapphire Crystal, Same Thickness and Height above bezel as per Genuine (Etched Rolex emblem at 6:00 on the sapphire glass) CASE BACK: Solid Case Back with detailed engraving BEZEL: Rainbow Coloured Jewel Crested Bezel CLASP TYPE: Deployant Buckle