exclusive Cal.4130 self-winding movement, all timing functions are 100% fully realized, unprecedented useof customized KIF shock absorbers, the whole machine is designed according to the real Cal.4130 movement, the three-layer substrate from chamfering to The sun pattern completely respects the original design at 1:1. It not only kills all copies of Daytona on the market in seconds, but it is also the only copy of Daytona that can be compared with the genuine one. There is no need to consider it.