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A. Lange & Söhne - Datograph Perpetual Tourbillon

A. Lange & Söhne Datograph Perpetual Tourbillon

Three years after its first introduction, the Datograph Perpetual Tourbillon is back in white gold with a pink-gold dial.

The Datograph Perpetual Tourbillon was launched in 2016 in a 100-watch edition in platinum with a black dial. It is now followed by a second edition of 100 watches in white gold with a pink-gold dial. The new hue enriches the deliberately reduced spectrum of A. Lange & Söhne with a warmer nuance that creates a pleasant contrast to the cool charisma of the 41.5-millimetre white-gold case and the rhodiumed gold hands and appliques.

Datograph Perpétuel Tourbillon

Datograph Perpetual Tourbillon © A. Lange & Söhne

The term Datograph refers to a flyback chronograph with a precisely jumping minute counter and the typical Lange outsize date. Perpetual stands for its perpetual calendar with precisely jumping displays combined with a moon-phase indication calculated to remain accurate for 122.6 years. Finally, the Tourbillon part alludes to the one-minute tourbillon with patented stop seconds that is visible on the caseback side; it eliminates the influence of gravity on the escapement inside its cage. The timepiece also offers a power-reserve indicator at the end of the tachymeter scale.

Datograph Perpétuel Tourbillon

Close-up of the pink gold dial © A. Lange & Söhne

The story of the Datograph Perpetual Tourbillon began with the presentation of the first Datographin 1999. Its rare combination of a classic column-wheel design, a precisely jumping minute counter and the flyback function attracted considerable attention. The clearly structured dial layout, in which the Lange outsize date and the two subsidiary dials form an equilateral triangle, gave it the status of a timeless icon. This prominent constellation is echoed by the Datograph Perpetual Tourbillon. Its larger diameter made it possible to enlarge the subsidiary dials that accommodate the displays of the perpetual calendar. 

Lange-manufacture calibre L952.2

Three recessed correctors make it possible to adjust the moon phase, the day, and the month separately. A universal button at 10 o'clock advances all calendar displays collectively. The sapphire-crystal caseback reveals the L952.2 manufacture calibre that consists of 729 parts. The manually wound movement has a 50-hour powers reserve and is finished manually down to the last detail, such as the intermediate wheel cock and tourbillon bar engraved by hand.

Datograph Perpétuel Tourbillon

Lange-manufacture calibre L952.2 © A. Lange & Söhne

The dark brown hand-stitched alligator leather strap is secured with a deployant buckle in white gold.

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