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A. Lange and Sohne Langematik Perpetual Platinum Black Dial 820.036E BAGUETTE BEZEL Ref. 820.036E

A. Lange and Sohne Langematik Perpetual Platinum Black Dial 820.036E BAGUETTE BEZEL (38491)

A. Lange & Sohne 820.036E Langematik Perpetual Calendar with Black Dial 36 Diamond Baguette Bezel, this is the only example to ever have shown up with this configuration possibly making it a unique piece, this 820.036 is a early 2000s edition of the Lagematik Perpetual (with the date pusher at 11 o clock) and was likely made by special request by an important A. Lange & Sohne collector, the platinum case is in excellent original condition and appears to have been seldom worn, automatic A. Lange & Sohne, Caliber L922.1, black big date, month, moon phases, leap year, 24 Hour indicator, black dial (very rare on a platinum Langematik Perpetual), 36 baguette diamonds flawlessly set into the bezel giving the watch an incredible look and feel, size: 38.5 mm, thickness: 11mm, display back, sapphire crystal, An outstanding chance to own a very important and special watch by one of the worlds most important watchmakers, Like New with A. Lange & Sohne winding box and Extract from the A. Lange & Sohne archives confirming the watch. (38491)


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More about Langematik Perpetual Platinum Black Dial 820.036E BAGUETTE BEZEL

This is a .950 platinum and diamond A. Lange & Sohne Langematik Perpetual Calendar 820.036E. It includes an alligator leather strap with an 18k white gold tang buckle and a scratch resistant sapphire crystal. It has a pull-out signed winding crown, a rectangular pusher for the date at 10 o'clock, correctors at 8 and 9 o'clock for the calendar on the left case band, and a third is at 4 o'clock on the right case. There is a "Zero Reset" that resets the seconds hand to zero when you pull out the crown to adjust the time to precisely synchronize the watch. The date correction is activated by either pressing one button to change all features collectively, or each complication can be corrected independently using the recessed corrector buttons. It has an exhibition screw-down display sapphire crystal case back secured with 6 screws, and engraved with "A. LANGE & SOHNE – GLASHUTTE SA," a serial number and hallmarks. The 38.5mm diameter solid three-body case, angled bezel set with 36 fine white baguette diamonds, and curved lugs are polished/brushed. The dial is black (rare with platinum) with applied white gold Roman numeral hour markers, luminescent white gold dagger-style hands, and it has a white perimeter railway-style minute/hour scale. It includes three recessed circular black subsidiary dials with white Arabic numerals, markers, and white gold indicator hands, including a combination register for the day of the week with a 24-hours day/night indication at the 9 o'clock position, a constant running small seconds dial at 6 o'clock is combined with the color moon phase, and the sub dial at 3 o'clock registers the months and the leap year in an adjunct combined circular aperture. A large white gold framed double-digit date aperture window is at 12 o'clock. It's water resistant to 30 meters/100 feet, and it has a power reserve of 46 hours at full wind. The 11mm thick case, dial, and movement are all signed. This A. Lange & Sohne Langematik Perpetual Calendar 820.036E has a mechanical automatic self-winding A. Lange & Sohne caliber L922.1 "Sax-O-Mat" movement that's Glashütte 3/4 plate in German silver, with fausses cotes embellishment. It has a shock absorber mechanism, and it's constructed with 43 jewels, a straight-line lever escapement, and a monometallic balance that's adjusted to temperatures and 5 positions. It includes a self-compensating flat balance spring, a swan neck micrometer regulator, a 21K gold bi-directional micro rotor with a platinum segment, and a hand-engraved balance bridge. The rotor oscillates at a frequency of 21,600 vph (3 Hz). This A. Lange & Sohne Langematik Perpetual Calendar 820.036E is the only known example with this configuration and it may unique. It was produced in the early 2000's by special request from an A. Lange & Sohne collector.

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