JH Factory Rolex GMT Master II DIW Carbon Speedster Edition Asia Clone 3186 Automatic GMT movement with decorated bridges & rotor with correct hand stack (Hour Hand Adjustable) - Functions 1:1 like the Genuine Rolex Calibre 3186 CASE DIAMETER:  40mm 12mm  Carbon Fibre Dial and Dot Markers (Superlume Applied on Hands)  High Grade Full Forged Carbon Case Kit (Swiss Grade)  Leather Strap with Buckle FRONT GLASS:  Sapphire Crystal  Solid Case Back Full Forged Carbon Bezel CLASP TYPE:  Foldover Buckle Waterproofed to 30m direct from Factory