Which is better, Li Sheng movement or Polaris movement?

Polaris is a good sport. Domestic Polaris movement, there is no better, overlord movement, high cost performance. Li Sheng movement is the original Japanese Li Sheng quartz clock movement. The movement is the mechanical structure that drives the hands, and it is also the most complicated part of the clock. Accuracy and durability are directly affected by the different materials used and the excellent polishing of each part.