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The A. Lange & Söhne Watch Family Welcomes One More Model – The Zeitwerk Decimal Strike. Time Tuned In A New Way

Paolo Gobbi
Courtesy of A. Lange & Söhne

Unveiled in 2009, the A. Lange & Söhne Zeitwerk gave time a new face with a mechanical jumping numerals display. Now, one more model enters the successful and unconventionally designed watch family: the Zeitwerk Decimal Strike  featuring an acoustic time indication.

 The Zeitwerk Decimal Strike makes time audible in a new way: its striking mechanism sounds every 10 minutes. The case of this timepiece, limited to an edition of 100 pieces, is carved out of honey gold as used exclusively by Lange.

Given its mechanical architecture, the Zeitwerk calibre offers ideal prerequisites for the integration of a striking mechanism. In the new model, it relies on two differently tuned gongs to indicate the full hours as well as the ten-minute intervals between the start of one hour and the next. The two hammers that are visible on the dial side consist of polished steel and, like the hammer bridge, are decorated with a tremblage engraving. The hammer on the left strikes the low-pitched gong once every full hour. The right-hand hammer sounds a higher-pitched tone every ten minutes, or in other words, every time a new ten-minute interval begins.

With its large, precisely jumping numerals display, the Zeitwerk Decimal Strike assures excellent legibility. The patented constant-force escapement between the mainspring barrel and the balance delivers the power. It makes sure that the balance has a constant amount of energy across the entire power reserve period. The high-pitched tone sounds every time the tens disc advances; at the start of the hour, when the low-pitched tone is struck, all three numeral discs jump synchronously by one increment. The striking mechanism can be switched off. When the button at 4 o’clock is pressed, the hammers are deflected away from the gongs. This also happens when the crown is pulled to set the time.

The technical concept is paired with an innovative material. The case of the Zeitwerk Decimal Strike, limited to an edition of 100 timepieces, is manufactured in honey-coloured gold as used exclusively by A. Lange & Söhne; it has a diameter of 44.2 millimetres. The lavishly finished, manually wound calibre L043.7 has a maximum power reserve of 36 hours. Lange-typical quality hallmarks include the three-quarter plate made of untreated German silver and decorated with Glashütte ribbing, the hand-engraved balance cock, and a cam- poised balance with a free-sprung hairspring crafted in-house.

Just a little bit of history  

Dresden watchmaker Ferdinand Adolph Lange laid the cornerstone of Saxony’s precision watchmaking industry when he established his manufactory in 1845. His precious pocket watches remain highly coveted among collectors all over the world. The company was expropriated after World War II, but in 1990, Ferdinand Adolph Lange’s great-grandson Walter Lange had the courage to relaunch the brand.

With 59 manufacture calibres developed since 1994, A. Lange & Söhne has secured a top-tier position among the world’s finest watch brands.  Today, Lange crafts only a few thousand wristwatches in gold or platinum per year. Exclusively equipped with proprietary movements, lavishly decorated and assembled by hand.

Brand icons such as the Lange 1 with the first outsize date in a regularly produced wristwatch and the Zeitwerk with its precisely jumping numerals display, rank among the company’s greatest successes. Sophisticated complications such as the Lange 1 Tourbillon Perpetual Calendar, the Zeitwerk Minute Repeater or the Tourbograph Perpetual “Pour le Mérite” reflect the manufactory’s determination to achieve ever-new pinnacles in horological mastery.

For more information, head over to the A. Lange & Söhne official website.

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