A. Lange & Söhne ZEITWERK Honeygold "Lumen". A world premiere presented by CEO Wilhelm Schmid.

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A. Lange & Söhne ZEITWERK Honeygold "Lumen". A world premiere presented by CEO Wilhelm Schmid.

Oct 24, 2021

WatchAdvisor
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It was in 2009 when A. Lange & Söhne presented the first revolutionary technology and design concept of the "Zeitwerk" model. This new version, limited to 200 pieces and sold for 114.000 Euro including 19 % VAT in Germany, introduces Lange’s proprietary honey gold. The latter was developed exclusively for A. Lange & Söhne timepieces. The designation “Lumen” refers to the specially developed, semi-transparent dial that makes the luminous jumping numerals display fully visible.

New Zeitwerk
With its three-disc jumping numerals mechanism that indicates the time in a digital format, the "Zeitwerk" ranks among the most progressive mechanical wristwatches. In the interest of superb legibility at all times, A. Lange & Söhne questioned everything except the mechanical paradigm. In addition to two discs for the tens and units-minutes, the jumping numerals mechanism is endowed with a large hour ring that spans almost the entire diameter of the movement. All numerals are identical in size. They switch precisely and read from left to right. The pusher at 4 o’clock is new. It allows the hour indication to be switched separately, which in turn makes it simpler to set the time. The switching impulse is generated when it is released. The advantage is that switching is always uniformly executed, regardless of how gently or vigorously the pusher is actuated. The pioneering technical concept is paired with an equally innovative design. One of its most prominent elements is the curved time bridge that dominates the dial. It is part of the movement and forms an elegant frame for all time indications. In the "Zeitwerk Honeygold Lumen", it consists of black rhodiumed German silver and thus integrates well with the dark sapphire-crystal dial.

New A. Lange & Söhne Calibre L043.9
Refined from the bottom up, the "Zeitwerk" calibre L043.9 has twice the power reserve of its predecessor model – 72 hours. With a gentle click, the new manufacture calibre L043.9 instantly switches the numerals display of the "Zeitwerk Honeygold Lumen" from one minute to the next until, at the top of the hour, the sophisticated mechanism simultaneously switches all three numerals discs by one increment. In the second generation as well, a patented constant-force escapement controls the complex switching processes and at the same time handles two important functions: on the one hand, it generates the impulse for the jumping advance of the time display. On the other hand, it drives the balance with nearly uniform power across the entire run time. This keeps the amplitude constant, which has a positive effect on rate stability.

The integration of a pusher for correcting the hour indication, first introduced in the "Zeitwerk Date", required considerable effort from the designers and increased the number of movement parts to 462. To enable the correction independently of the switching cycles of the time display, a clutch uncouples the hour ring from the jumping numerals mechanism each time the pusher is pressed. The setting of the minute display in both directions is performed with the crown located at 2 o’clock. The cam-poised balance wheel with a freely oscillating balance spring beats with a frequency of 18,000 semi-oscillations per hour (= 2.5 Hz). Further Lange-style quality features of the "Zeitwerk Honeygold Lumen" include the exquisite artisanal finissage of the twofold-assembled movement, much of which can be admired through the sapphire-crystal caseback. Easily recognizable assets are the hand-engraved balance and escape-wheel cocks, the solarised winding wheels and the filigreed, straight-grained constant-force escapement bridge that accommodates two recessed, screwed gold chatons.

Luminous numerals
The light-permeable coating of the dial allows the luminous numerals that are not exposed in the aperture to absorb enough UV light and thus light energy needed to make them glow in the dark. Consequently, the digital display remains visible even right after each switching sequence. At night, the numerals discs that are only vaguely discernible during the day cause the watch to glow.

A. Lange & Söhne Honeygold
Limited to 200 watches, the "Zeitwerk Honeygold Lumen" continues the tradition that began eleven years ago and transcends it. The case, with a diameter of 41.9 and a height of 12.6 millimetres, is made of Lange’s proprietary honey gold – a first for a “Lumen” model. Various admixtures and a special thermal treatment endow the 18-carat gold alloy with extra hardness and an inimitably warm lustre. The hands of the power-reserve indicator and of the subsidiary seconds as well as the Lange prong buckle are made of the same material. Combined with a dark dial and a dark-brown leather strap, the hue is an eye-catcher.





Presentation of the new ZEITWERK HONEYGOLD "Lumen" by Anthony de Haas

Oct 24, 2021

A. Lange & Söhne
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Director of Product Development Anthony de Haas gives a detailed introduction to the new ZEITWERK HONEYGOLD “Lumen”.

For the first time, this exceptional timepiece combines three exciting aspects: the concept of jumping numerals, luminous displays and our case made of Lange-exclusive honey gold.

But there’s more: additionally, the further developed manufacture calibre now doubles the power reserve to 72 hours. A new pusher at 4 o’clock allows the hour indication to be switched separately, making it easier to set the time.





Lange-Soehne
Time, exceptionally composed​
picture

On this day, 24 October, we would like to present to you the new ZEITWERK HONEYGOLD “Lumen” – exactly 27 years after the first A. Lange & Söhne watches were launched after the fall of the Berlin Wall. It sees the launch of another watchmaking highlight – with numerals that glow in the dark and a case made of warmly glossy honey gold created exclusively for A. Lange & Söhne. We would like to show you this special timepiece in more detail.

The ZEITWERK HONEYGOLD “Lumen” is an incomparable watchmaking work of art with three exceptional features. It has a jumping numerals display with large, clearly legible numbers, arranged from left to right – as is normally found in digital watches. The jumping numerals display is powered by the new L043.9 manufacture calibre, which gives the ZEITWERK HONEYGOLD “Lumen” its inimitable design and makes it one of the most advanced watches of our time.

Glowing like no other
Another highlight of the ZEITWERK HONEYGOLD “Lumen” are its fluorescent numerals that are clearly legible even in the dark. This second special feature comes in the form of semi-transparent dark sapphire-crystal glass, which allows ultraviolet light to shine through to the numerals, charging the applied luminous compound in the process. The numerals glow as soon as they appear in the display window. A case made of warmly glossy and particularly hard honey gold rounds off the timepiece, which is used exclusively in A. Lange & Söhne watches.

28 numerals and 462 other highlights
The ZEITWERK rests upon a patented jumping numerals mechanism: three precisely switching hour and minute discs allow the digits to be arranged how one would usually read, from left to right. The numeral discs are part of the 9.2 millimetre Lange L043.9 movement, which comprises 462 parts and has a remarkably high power reserve of 72 hours.
The ZEITWERK HONEYGOLD “Lumen” has been exquisitely composed and is limited to 200 watches. Acquaint yourself with our other timepieces of the highest level of craftsmanship in one of our boutiques or on our website. We look forward to your visit.


The A. Lange & Söhne team
 
A. Lange & Söhne ZEITWERK Honeygold "Lumen" X Wolfgang Amadeus MOZART Piano Concerto No.21

Oct 26, 2021

WatchAdvisor
AKedOLRfjmZVnfMH-BMGInRgLZGLEQST9MAt_zDflAWH=s48-c-k-c0x00ffffff-no-rj


It was in 2009 when A. Lange & Söhne presented the first revolutionary technology and design concept of the "Zeitwerk" model. This new version, limited to 200 pieces and sold for 114.000 Euro including 19 % VAT in Germany, introduces Lange’s proprietary honey gold. The latter was developed exclusively for A. Lange & Söhne timepieces. The designation “Lumen” refers to the specially developed, semi-transparent dial that makes the luminous jumping numerals display fully visible.

New Zeitwerk
With its three-disc jumping numerals mechanism that indicates the time in a digital format, the "Zeitwerk" ranks among the most progressive mechanical wristwatches. In the interest of superb legibility at all times, A. Lange & Söhne questioned everything except the mechanical paradigm. In addition to two discs for the tens and units-minutes, the jumping numerals mechanism is endowed with a large hour ring that spans almost the entire diameter of the movement. All numerals are identical in size. They switch precisely and read from left to right. The pusher at 4 o’clock is new. It allows the hour indication to be switched separately, which in turn makes it simpler to set the time. The switching impulse is generated when it is released. The advantage is that switching is always uniformly executed, regardless of how gently or vigorously the pusher is actuated. The pioneering technical concept is paired with an equally innovative design. One of its most prominent elements is the curved time bridge that dominates the dial. It is part of the movement and forms an elegant frame for all time indications. In the "Zeitwerk Honeygold Lumen", it consists of black rhodiumed German silver and thus integrates well with the dark sapphire-crystal dial.

New A. Lange & Söhne Calibre L043.9
Refined from the bottom up, the "Zeitwerk" calibre L043.9 has twice the power reserve of its predecessor model – 72 hours. With a gentle click, the new manufacture calibre L043.9 instantly switches the numerals display of the "Zeitwerk Honeygold Lumen" from one minute to the next until, at the top of the hour, the sophisticated mechanism simultaneously switches all three numerals discs by one increment. In the second generation as well, a patented constant-force escapement controls the complex switching processes and at the same time handles two important functions: on the one hand, it generates the impulse for the jumping advance of the time display. On the other hand, it drives the balance with nearly uniform power across the entire run time. This keeps the amplitude constant, which has a positive effect on rate stability.
The integration of a pusher for correcting the hour indication, first introduced in the "Zeitwerk Date", required considerable effort from the designers and increased the number of movement parts to 462. To enable the correction independently of the switching cycles of the time display, a clutch uncouples the hour ring from the jumping numerals mechanism each time the pusher is pressed. The setting of the minute display in both directions is performed with the crown located at 2 o’clock. The cam-poised balance wheel with a freely oscillating balance spring beats with a frequency of 18,000 semi-oscillations per hour (= 2.5 Hz). Further Lange-style quality features of the "Zeitwerk Honeygold Lumen" include the exquisite artisanal finissage of the twofold-assembled movement, much of which can be admired through the sapphire-crystal caseback. Easily recognizable assets are the hand-engraved balance and escape-wheel cocks, the solarised winding wheels and the filigreed, straight-grained constant-force escapement bridge that accommodates two recessed, screwed gold chatons.

Luminous numerals
The light-permeable coating of the dial allows the luminous numerals that are not exposed in the aperture to absorb enough UV light and thus light energy needed to make them glow in the dark. Consequently, the digital display remains visible even right after each switching sequence. At night, the numerals discs that are only vaguely discernible during the day cause the watch to glow.

A. Lange & Söhne Honeygold
Limited to 200 watches, the "Zeitwerk Honeygold Lumen" continues the tradition that began eleven years ago and transcends it. The case, with a diameter of 41.9 and a height of 12.6 millimetres, is made of Lange’s proprietary honey gold – a first for a “Lumen” model. Various admixtures and a special thermal treatment endow the 18-carat gold alloy with extra hardness and an inimitably warm lustre. The hands of the power-reserve indicator and of the subsidiary seconds as well as the Lange prong buckle are made of the same material. Combined with a dark dial and a dark-brown leather strap, the hue is an eye-catcher.

 
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