Perrelet watch first class double rotor skeleton a10913 by combining their infamous double rotor design that was created over twenty years ago with a contemporary skeletonised dial the brand have created the perrelet first class double rotor skeleton watch collection this concept has brought the brand into the forefront of design ingenuity and continues to prove their dominance within the watch industry defined by its double rotor that twirls captivatingly across the intricate skeletonis