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A. Lange & Söhne Datograph-Perpetual

Image: A Lange %26 Söhne Datograph-Perpetual

A. Lange & Söhne Datograph-Perpetual (platinum)

Image: A Lange %26 Söhne Datograph-Perpetual RS

A. Lange & Söhne Datograph-Perpetual (back)

Image: Lange L952.1 RS

Calibre L952.1

Image: Lange L952.1

Calibre L952.1 dial side

With this self-winding luxury chronograph A. Lange & Söhne combines for the first time a wristwatch chronograph and perpetual calendar, which are exactly the two "opposite" extremes of timekeeping: short-term and permanent.

With its flyback function the chronograph can instantly be set to zero with a single keystroke during the time of measurement, whereafter the new measurement starts immediately. The perpetual calendar shows day of week, month, leap year, day/night indication, moon phase and big date. The latter must be switched forward by a day only in 2100, making it become the "Eternal big date". The moon phase indication is so precise that it must be corrected for one day only after 122 years.

The Datograph Perpetual is offered solely in platinum with a hand-sewn crocodile leather strap or a bracelet quality available from platinum.

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Categories: Watch models | Chronographs | Watches with perpetual calendar | Watches with moon phase | A. Lange & Söhne models

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