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SIHH 2015: A. Lange & Sohne - Datograph Perpetual Grey Dial

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The combination of the grey dial and the white gold case of the new Datograph Perpetual by A. Lange & Söhne is nothing less than gorgeous.


The aesthetic result is fascinating but the technical aspects are not less seductive. Two of the most appreciated complications, a flyback chronograph and a perpetual calendar, are here together in a well laid out dial which is an invitation to discover all its details.


The chronograph of the Datograph Perpetual was expressly conceived for precise short-time measurements: the column-wheel concept assures dependable control of all chronograph functions, the jumping minute counter always delivers distinct legibility of stopped times and the flyback system makes it possible to accurately measure the durations of events in quick succession.

The chronograph hand indicates the stopped time to one-fifth of a second and it is made of blued steel. The same material was chosen for the minute counter and seconds hands, allowing them to stand out prominently against the bright rhodié background of the subsidiary dials.


Featuring outsize date, day of week, month and leap year indications, the perpetual calendar is so precise that it requires no adjustment until the year 2100, when a one-day correction is needed.

All calendar displays can be advanced simultaneously with a convenient rapid-correction pusher. Additionally, three recessed correctors allow the displays to be adjusted separately.


The classic Saxon case has a diameter of 41 mm with perfectly polished surfaces except for the satin-brushed middle case. The total height is 13.5 mm. The sapphire crystal of the back case displays the 556 lavishly finished parts of the hand-wound manufacture calibre L952.1 which beats at 18,000 vibrations per hour and offers 36 hours of power reserve.



The price of the A. Lange & Söhne Datograph Perpetual (ref. 410.038) is Euro 119,000. alange-soehne.com



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