News September 2012

Lange Zeitwerk Handwerkskunst

The modern face of a grand tradition

The Watch Quote™ - September 26th, 2012



A. Lange & Söhne is casting a traditional glance at its most advanced watch. An edition of the Lange Zeitwerk limited to 30 watches celebrates Saxon artisanship at its very finest. The special edition watches are available exclusively at A. Lange & Söhne boutiques.



Three years ago, A. Lange & Söhne presented the Lange Zeitwerk, the first mechanical watch that featured a constant-force escapement to achieve a precisely jumping numer­als display. Since then, this winner of multiple awards has ranked among the brand’s biggest successes. As a limited edition with the designation Handwerkskunst, the time­piece has risen to a new level: Exquisite case, dial, and movement decorations as well as a Glashütte lever escapement stand for the artisanal and horological proficiency of the Saxon manufactory. They constitute the tradition-steeped complement to the numerous technical innovations inside the exquisite masterpiece.



The dial in black-rhodiumed white gold is endowed with an elaborate tremblage engraving. The engraver manually guides a specially crafted lining burin across the surface in precisely choreo­graphed multi-directional movements. This produces a delicate and highly vivid granular texture. A formidable challenge for the engravers: The curved A. Lange & Söhne logo and the filigreed lettering of the power-reserve indicator remain standing in sharply contoured relief. Decorated with linear graining, the time bridge in rhodiumed German silver con­trasts with the dark dial. Used tradition­ally at Lange for frame elements such as bridges and cocks, German silver identi­fies it as part of the movement ensemble. Skilfully integrated in the dial, the time bridge embraces all time indications: the large white numerals of the hour and minute displays as well as the grey seconds dial in solid silver. The interaction of precious metals culmi­nates with the platinum case. The A. Lange & Söhne signature, the case number and the edition serial number on the caseback are hand-engraved as well.



A glance through the sapphire-crystal caseback of the Lange Zeitwerk Handwerk­s­kunst reveals the highly complex manufacture calibre L043.4, which apart from classic elements such as the three-quarter plate and screwed gold chatons also stands out with a kaleidoscope of artistic decorations: The three-quarter plate made of untreated German silver is endowed with a granular surface and hand-engraved lettering. The A. Lange & Söhne signature on the mainspring barrel is executed as a relief engraving. This tech­nique requires the artist to chisel the motif out of the material, making it look as if it had been embossed. The balance and escape wheel cocks are also decorated with a special free-hand engraving. The upper side of the bridge for the constant-force escapement is embellished with black polish, the most elaborate and time-consuming finissage tech­nique.



The Glashütte lever escapement pays special tribute to 19th century Lange traditions. Its lever and escape wheel are made of hardened 18-carat gold. The advantage of the mate­rial was its insensitivity to magnetic fields. The antimagnetic steel alloys commonly used today were not available then. The lever is designed to remain well balanced in any posi­tion. The pallets are concealed and slightly curved to reduce the friction between them and the escape wheel. Perfectly executed, all these subtle design characteristics contrib­ute to provide the precision of the watch. It was an appealing challenge for the current generation of master watchmakers to resort to one of Ferdinand A. Lange’s most impor­tant inventions.







The exclusive collector’s item is limited to 30 watches that are distributed exclusively through the seven A. Lange & Söhne boutiques worldwide. The Lange Zeitwerk Handwerkskunst will be launched at Dubai Mall, one of the world’s largest shopping venues, when Lange’s latest boutique is inaugurated there on 26th September 2012.

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A. Lange & Söhne Lange Zeitwerk Handwerkskunst

Data sheet




Reference :140.048
Movement :Lange manufacture caliber L043.4, manually wound, crafted to the most exacting Lange quality standards, decorated and assembled by hand; precision-adjusted in five positions; plates and bridges made of untreated German silver; three-quarter plate with grained surface and hand-engraved lettering; balance cock and escape lever cock engraved by hand
Movement parts :425
Jewels :68
Screwed gold chatons :2
Escapement :Glashütte lever escapement, lever and escape wheel made of 18-carat gold
Oscillator :Shock-resistant screw balance; superior-quality balance spring manufactured in-house; frequency 18.000 semi-oscillations per hour, precision beat adjustment system with lateral setscrew and whiplash spring
Power reserve :36 hours when fully wound
Functions :Time display with hours and minutes as jumping numerals, subsidiary seconds with stop seconds, power-reserve indicator
Operating elements :Crown for winding the watch and setting the time
Case dimensions :Diameter: 41.9 millimetres
Height: 12.6 millimetres
Movement dimensions :Diameter: 33.6 millimetres
Height: 9.3 millimetres
Case :Platinum, caseback engraved by hand
Dial :White gold, black-rhodié;
hand-engraved in tremblage technique
Time bridge :German silver, rhodié
Hands :Gold, rhodié
Glass and caseback :Sapphire-crystal (hardness 9)
Strap :Hand-stitched crocodile strap, black
Buckle :Lange-prong buckle in platinum
Limitted edition :30 watches

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