At the Geneva watch exhibition in 2014, Lange launched an amazing watch, the RICHARD LANGEPERPETUAL CALENDAR “Terraluna”, which is equipped with track of moon phrase display timing device and 14 days of power reserve. Richard Lange Perpetual Calendar “Terraluna” meets a number of benchmarks laid down with Lange’s precision, innovation and design aesthetics. Whether the surface or bottom cover, is equally gifted with an extraordinary retentive memory. The watch is equipped with track moon phrase display, Lange big calendar display, 14 days of power reserve and constant power escapement. It is truly an excellent work of Saxon watchmaking technology. The official model is 180.032.
Lange only launched thousands of gold watches each year, among they are all equipped with unique movement which are precisely decorated by hand. Each wristwatch belongs to the high-quality goods, is the high-end wristwatch representative. Each Richard Lange Perpetual Calendar “Terraluna” is made by Lange meticulously, is a representative of brand strength.
Track moon phrase is consisting of three circular dial. On a starry celestial dial, the moon is visible in a circular window and turns counterclockwise around the earth’s orbit every month. The device accurately reproduced the lunar month that has 29 days, 12 hours, 44 minutes and 3 seconds. It is not until 1058 that the day will be corrected. Below is the moon rotation dial with two new moons. The process can be observed through the celestial dial window. In the constellation diagram, the balance wheel represents the position of sun. On the new moon, the dark moon will appear between the earth and the sun. On the other side of the earth is the full moon, which shows a bright moon. As a result, the position and phrase of the moon appear simultaneously. The earth at the center of the display rotates once every day around its axis. Facing the sun or wheel side is day time, the other side is the night. A 24 hour scale outside is used as a reference to the Northern Hemisphere.
In the category of accuracy, Lange products not only focus on the R & D of moon phase display device structure that has three solid 18K platinum dials, but also the design. In order to make clear and beautiful trajectory of moon phase display image, research and development personnel use special coating technology.
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