A. Lange & Söhne is marking the 20th anniversary of its iconic Datograph family with the Datograph Perpetual, the first time a full perpetual calendar has been added to the line’s platinum-cased chronograph. Limited to just 50 pieces, the new model unites the brand’s hand-wound chronograph heritage with full calendar complexity.
A 556-Part Calibre L952.1: Chronograph Meets Calendar
At the heart of the watch is the hand-wound Calibre L952.1, made up of 556 components, 223 of which belong to the calendar mechanism alone. The column-wheel, flyback chronograph delivers timing to one-fifth of a second with a precisely jumping minute counter. The perpetual calendar tracks the date, day, month and leap years, and will need just a single day’s correction on 1 March 2100. The moon-phase display is accurate enough to deviate by only one day after 122.6 years of continuous running.
The 41.0mm case is crafted from 950 platinum, stands 13.5mm high, and is fitted with a sapphire-crystal caseback. On the black dial, eleven hand-applied baguette-cut diamonds (roughly 0.13 carats total) serve as hour markers, paired at 12 o’clock and omitted at 4 and 8 o’clock for the chronograph sub-dials. The five-row platinum bracelet closes with a deployant clasp. A rapid-correction pusher at 10 o’clock adjusts all calendar and moon-phase indications together, while separate recessed correctors allow each one to be set individually.
The Datograph Perpetual arrives to mark the 20th anniversary of the original Datograph, launched in 2006, bringing together one of the brand’s most comprehensive complications in a platinum case for collectors.
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