A. Lange and Sohne Langematik Perpetual Calendar 18K Yellow Gold UNWORN

More about Langematik Perpetual Calendar 18K Yellow Gold UNWORN

Founder Adolph Lange would have never believed back in the middle of the 19th century that anyone outside the Royal Saxon Court could ever own something as diminutive, complex, and elegantly crafted as this wristwatch, which sports his name. This Langematik Perpetual calendar, Reference 310.021 310021 in 18K yellow gold, was also made in rose gold and in platinum. The A. Lange & Söhne Langematik Perpetual watch is a definitive example of how this first and still finest of German precision watchmakers set the standards in horology in 1845. It is the first self-winding wristwatch ever made with a perpetual calendar, a double window outsize date, and a zero-reset mechanism that individually advances the calendar and moonphase displays, or with a single pressing of the push-bar on the side of the case at 10 'oclock. Lange only included the perpetual calendar with the moonphase indicator in five important pocket watches between 1887 and 1931, with the dream being of an outsize date watch that was also perpetual. They presented the horological world with this incredible timepiece in the late 1990's. It has since been discontinued/upgraded with slight changes. This rare, complex, self-winding timepiece has four subsidiary dials, one at 9 o'clock for the days of the week that includes a 24-hour day/night indicator, another at three o'clock for the month and within that is a leap year dial. The moonphase indicator is at 6 o'clock. The silver dial has 18K yellow gold alpha hands and applied Roman numerals. The leather strap also has an 18K gold buckle. It has a three-body, solid, brushed and polished case with a rounded bezel and a transparent sapphire case-back with 6 screws. The caliber L922.1 "Sax-O-Mat" movement has a Glasshute ¾ German silver plate with fausses cotes decoration, 43 jewels, a hand-engraved balance bridge, and a monometallic balance adjusted to 5 positions. There is a self-compensating flat balance spring, a shock absorber, and a straight-line lever escapement. It has a 21K gold, bi-directional micro-rotor with a platinum segment, a swan neck micrometer regulator, and the dial, case, and movement are all signed. It is an elegant 10mm thin, and looking into the transparent case-back one cannot help but marvel at how much those tiny mechanisms accomplish.

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