Upgraded version of Stars and Moon, Jaeger-leCoultre Master Ultra Thin Moon, Jaeger-leCoultre Master Ultra Thin Moon 39mm watch, simple line design, pleasing dial. The display makes the dial full of vitality, and the 6-digit calendar display pointer is fully matched The phases of the stars and the moon are like a harmonious and beautiful ballet on the wrist. Through the glass bottom cover, the operation of the movement is clear at a glance. This ultra-thin movement with a thickness of only 10 mm proves to the world its extraordinary skills and extremely complex functions.