N factory Rolex Daytona V8 Ultimate Edition 116506, exclusive Cal.4130 self-winding movement, 904L steel. The thickness is consistent with the original product, and all timing functions are 100% fully realized. The unprecedented custom-made KIF shock absorber is used. The whole machine is designed according to the real Cal.4130 movement. The three-layer substrate is completely 1:1 from chamfering to sun pattern. Respecting the original factory design, it not only kills all replica Daytonas on the market, but also the only replica Daytona that can be compared with the genuine one.