Openworking a movement is a skilled craft that requires hollowing out the mechanical parts while maintaining the watch's smooth function. Watchmakers start with a solid base and spend a lot of time designing and modeling to create the intricate openworked look. The new Métiers d’Art Mécaniques Ajourées is a prime example of this, featuring the iconic Calibre 4400 in its first openworked version. The watchmakers and artisans of the Manufacture spent hundreds of hours perfecting the balance between beauty and functionality. The movement is also a work of art, with its three-dimensional architecture and play of light and shadow. The watch is further enhanced by the traditional skill of Grand Feu enamelling, expertly crafted by Vacheron