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A. Lange & Söhne Celebrates the 25th Year of the Datograph With a Pair of Special Editions

A. Lange & Söhne Datograph Perpetual Tourbillon Honeygold ‘Lumen’ & Datograph Up/Down

The iconic chronograph gains a new dial colour and glows up (literally).

Before we get into A. Lange & Söhne’s novelties this year, let’s cast our minds back to the end of the last millennium. Following the Saxon Manufacture’s re-launch in 1990, it quickly established itself as a heavyweight in the watchmaking industry with emblematic models, such as the Lange 1 and Tourbillon ‘Pour le Mérite’, in 1994. And in 1999, it introduced the Datograph that practically kickstarted a new era of the in-house, high-end chronograph, which was surprisingly a novel concept at the time. This being the 25th anniversary of the beloved timekeeper – and knowing how special the number ‘25’ is to Lange – a couple of commemorative editions are in order, and the brand delivers just that.

A. Lange & Söhne Datograph Up/Down
Limited to 125 pieces, the new Datograph Up/Down has a deep blue dial and a 41mm case in 18K white gold.

Datograph Up/Down

The original Datograph was justifiably regarded by many as a modern watchmaking icon, as it set the benchmark of a haute horlogerie chronograph. Developed from the ground up, its Calibre L951.1 is a classic column-wheel chronograph movement with a flyback function, a precisely jumping minute counter, and the signature Lange outsized date, hence its name. Come 2012, the watch would evolve into its current iteration, the Datograph Up/Down, with updates from a larger case size at 41mm and the removal of Roman numerals for a cleaner look to a new Calibre L951.6 that bumps up the power reserve from 36 to 60 hours and adds a power reserve indicator a 6 o’clock, which accounts for its nomenclature.

A. Lange & Söhne Datograph Up/Down
The in-house manual-winding Calibre L951.6 remains beating at the heart of the Datograph Up/Down.

For its 25th anniversary, Lange has added, for the first time, an 18K white gold with blue dial option to the collection, which is also still available in platinum or pink gold, both with black dial. Limited to 125 pieces, the new variant is an artful play of contrasts, with the rich shade of blue juxtaposing beautifully against the rhodié-coloured sub-dials, luminous hands, and baton hour indexes, enhancing its legibility while highlighting the axially symmetric dial design. We also like the pop of red on the power reserve indicator, signalling when it’s time to wind the watch. Finished and assembled twice by hand, the in-house manual-winding Calibre L951.6 remains beating at the heart of the watch, proudly showing off its astounding architecture through a sapphire crystal caseback.

A. Lange & Söhne Datograph Perpetual Tourbillon Honeygold ‘Lumen’
The Datograph Perpetual Tourbillon Honeygold ‘Lumen’ has an almost futuristic look in the dark, thanks to its luminous enhancements.

Datograph Perpetual Tourbillon Honeygold ‘Lumen’

The Datograph Perpetual Tourbillon is one of the more complex models in A. Lange & Söhne’s repertoire of chronographs, packing three traditional complications into one elegant package. This year, it is inducted into the brand’s ‘Lumen’ series, joining illustrious predecessors, including the Zeitwerk, Grand Lange 1 Moon Phase, and Datograph Up/Down. Like the other models in this family, the watch has an almost futuristic appearance in the dark, with its outsized date, sub-dials, and moonphase indicator lighting up alongside the tachymeter scale and hands. To ensure that the luminous elements are continually charged, even when they are not on display, a sapphire-crystal dial coated with a unique, semi-transparent compound that is only permeable to high-energy UV light has been applied, conferring the watch with a technical look.

A. Lange & Söhne Datograph Perpetual Tourbillon Honeygold ‘Lumen’
Encased in 18K Honeygold, the new manual-winding in-house Calibre L952.4 drives all of the watch’s functions with a 50-hour power reserve.

Limited to 50 pieces and encased in the Manufacture’s proprietary 18K Honeygold alloy, the 41.5mm watch is equipped with the new manual-winding in-house Calibre L952.4 that drives the flyback chronograph function as well as perpetual calendar indications, including the day of week, month, leap year and day/night displays. The power reserve indicator has been curiously omitted in the new model, but rest assured that the watch maintains an autonomy of 50 hours on a full wind. The twice-assembled 684-part movement can be admired via an exhibition caseback, featuring the one-minute tourbillon with a stop-seconds mechanism that allows accurate time setting to the second. Of course, all the high watchmaking hallmarks we’ve come to expect from Lange can also be observed here, such as untreated German silver bridges, polished gold chatons, blued screws, and exquisite hand-engraving.


chronograph, perpetual calendar, complication, tourbillon, A. Lange & Söhne, Watches and Wonders, dress watch, flyback chronograph, Watches and Wonders 2024

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