1815 is the era when humans began to use scientific knowledge flexibly and entered the beginning of modern society. Therefore, the 1815 series not only inherited the long tradition of the brand, but also represented With the Lange watch factory, a new era of German watchmaking was created. In 1995, Lange A. Lange & Söhne launched the first 1815 watch inspired by the famous pocket watch logo design. 18 years later, Lange added two new members to the 1815 family, including the masterpiece 1815 Rattrapante Perpetual Calendar, and the main character of this article ——1815 Up / Down.
Feature one: simple and symmetrical face plate
The 1815 Up / Down is available in 18K yellow, white and rose gold versions, all equipped with a silver-white solid silver faceplate. The brand uses the most advanced materials and craftsmanship, which will come from Ferdinando. Adolf. Lange and his sons created the essence of early-produced pocket watches at the Lange watch factory and blended them into watches in a modern way. The setting of the 1815 Up / Down panel is simple and orderly, and the essence of Lange’s large pocket watches is infiltrated everywhere-Arabic numerals, minute track orbits, blue steel hands, and small, symmetrically arranged small power displays dial.
The functional dial arrangement, black Arabic numerals, track minute scales and other elements in the silver-white solid silver dial also inherit the simple and clear design of the Lange 1815 series models, paying tribute to this traditional model with the evolution of details
Feature two: the word “moving to store” is in German style
The watch’s self-made L051.2 caliber gives it three days of power reserve, and indicates the remaining execution time before winding the watch with a blue needle. The last two cells are marked in red to remind that there are only 6 hours of power left. . The two ends of the scale are marked with ‘AUF’ and ‘AB’, which represent the condition that the mainspring is fully wound and fully released. This patented device refers to 1879. Ferdinand A. Lange’s grandson Otto Lange is a slender wrist The planetary gear system of the invention, when the system is combined with the movement, can advance the display without taking up additional vertical space. The same technology is used for the 1815 Up / Down power reserve display.
The 1815 Up / Down has a 3-day moving reserve display, in which the last 6 hours scale is displayed in red squares to remind the user that the mainspring is almost completely released (AB), while the relative ‘AUF’ represents a fully wound condition
Feature 3: The movement is still a big deal
On the machine side, the 3/4 plywood made of untreated German silver is equipped with two new gold sleeves, showing a power reserve device, while the size of the movement remains the same as the 1815 model without this system. ——30.6mm in diameter and 4.6mm in thickness; under the hand-carved balance wheel plywood, there is a classic screw balance and pointerless oscillation system (the balance spring has a frequency of 21,600 vibrations per hour. Gooseneck trimming system) to ensure accurate vibration frequency.
The movement features many Lange technical features, including chamfered and polished sides, 3/4 plywood with Glashütte threads, gold sleeves secured by blue steel screws, and polished escapement wheel plywood tail End pieces, and winding gears on the splint
1815 Up / Down
Rose gold material / L051.2 manual winding movement / hour, minute, small seconds display / stop-second device / power reserve display / sapphire crystal, transparent bottom cover / waterproof 30 meters / diameter 39mm / reference price: 190,000 RMB