Calatrava wristwatch with champlevé and cloisonné enamel, guilloché. Cloisonné enamel dial with hand-engraving under translucent enamel. The creation of each dial requires from 10 to 12 firings, using 9 to 10 different enamel colors and a gold ribbon of 0.07 mm for making the partitions. A master enameler and engraver dedicate a total of 4 to 5 days’ work to make 1 dial. Length of gold ribbon used for the partitions: 38 mm. Caliber 240, ultra-thin self-winding movement. Sapphire crystal caseback. Limited edition. 2011.