Transparent sapphire crystal disc showing sky map and galaxy. Pointer date display. The hour and minute hands show the average sun time. Dial: It consists of three sapphire crystal discs plated with metal, while the oval frame outlines the starry sky in Geneva. This is a star watch with a large module for astronomical display on the side to drive all rotating disks (positions of stars and moon). The dial vividly represents the wonderful movement of celestial bodies and fully demonstrates the great tradition of Patek Philippe’s astronomical watches. At any time, its owners can enjoy the starry sky in the northern hemisphere, and obviously perceive the changes of stars and phases of the moon, as well as the trajectory of the moon. Two hollow pointers to hours and minutes respectively represent the average solar time. The oval shape on the inner surface of sapphire glass outlines the sky that can be seen in Geneva and at the same latitude. Unique astrological features, the blue round dial can enjoy the Geneva sky map, as well as the trajectory of the golden moon. The moon on the dial will automatically change according to the full moon in the sky and the full circle of the moon. Patek Philippe Grand Complications Sky Moon Celestial 6102R-001 TW Factory Black Dial Replica Watch. The front and rear glass of the watch case are treated with advanced technology to improve the refracted light of the glass, making the dial look more transparent and seemingly without the feeling of glass. The back cover and glass also adopt the same concave shape as the genuine one to break the parallelism between the back cover of the traditional watch and the glass. The gemstones of the white-light watch case at the joint of the 6-position watch case and the watch band are tested by using South African real diamonds. The 2-position head is adjusted to time, the calendar, and the 5-position of the moon disc is adjusted to rotate the star disc. Swisspatek philippe 240lu clc automatic movement, the movement consists of 315 parts, which is as accurate and stable as the original. Crocodile strap with square scales sewn by hand with needle buckle.