ZF Jaeger-LeCoultre JL Master Moon Series (case diameter 39mm for men, 34mm for women, thickness 9.9mm) is synchronized with the original. The sub-dial at 6 o’clock has a dual display of the solar and lunar calendars (moon phases), and the moon phases rotate once a month. The functions are the same as the original. [Moon phase disk] 3D metal moon phase [movement] replica Cal.925/1 integrated movement, the functions are 100% synchronized with the original self-produced movement, and each movement undergoes a series of rigorous tests and screening before leaving the factory!