Dubois Dépraz DD 4504

The DD 4504 is an evolution of the successful DD chronograph modules, combining chronograph with skeletonized big date and moon phase mechanisms. Features a 30-minute counter at 9:00, central chronograph hand, and constant small seconds at 3:00. The moon phase wheel has 59 teeth, completing one rotation approximately every two months. Contains 112 components in the module alone.