The A. Lange & Söhne Datograph Handwerkskunst is a 25-piece yellow-gold edition that keeps the Datograph’s familiar chronograph layout but makes handwork the central attraction. Its black-and-grey tremblage dial and finely finished L951.8 movement distinguish it from a standard Datograph. Lange introduced reference 405.048F in August 2024, during the model’s 25th-anniversary year.
What makes the Datograph Handwerkskunst different?
The difference is not a new complication or a radical redesign. It is the treatment of surfaces and components: a textured, monochrome dial, carefully prepared applied details and hands, and movement finishing that includes black-polished chronograph levers and an engraved balance cock. The familiar outsize date and low-set subsidiary dials remain part of the Datograph identity.
Lange describes the edition as a way to elevate the model’s artisanal finishing. Anthony de Haas, the brand’s Director of Product Development, said: “With the DATOGRAPH, our engineers created a manufacture chronograph as early as 25 years ago that unites highly sophisticated functions with a balanced dial design,” and added, “In the DATOGRAPH HANDWERKSKUNST, the artisanal perfection is raised to an even higher level.” Those are the maker’s characterizations; the specific techniques are more useful for understanding what has changed.
A dark, finely textured dial
The main dial is black-rhodiumed, while the two light-grey totalisers are rhodiumed. Both surfaces are engraved using tremblage, a technique Lange says creates a fine-grained, three-dimensional texture with subtle reflections. For this dial, the manufacturer says the engraver uses a specially crafted lining burin.
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The applied elements receive attention before they are placed: Lange says the appliques and Roman numerals are chamfered and straight-grained, as are the hands, which also have circumferential chamfers. These treatments create small changes in how the surfaces catch the light against the textured dial.
Finishing beneath the dial
The movement’s decoration extends the handwork theme rather than changing the chronograph’s basic purpose. The official product description highlights black-polished chronograph levers, a granular German-silver three-quarter plate and a hand-engraved balance cock with a relief vine motif. Lange presents the engraving as a signature detail; it is distinct from the operational specifications of the calibre.
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Case, edition size and reference
Reference 405.048F has a 750 yellow-gold case measuring 41.0 mm across and 13.1 mm high. A. Lange & Söhne says the edition is limited to 25 watches worldwide and exclusive to its boutiques. These are the manufacturer’s stated specifications and distribution terms; they do not establish current boutique stock.
What movement does it use?
The watch is powered by calibre L951.8, a manually wound flyback chronograph movement. It is not the L951.6 used in the Datograph Up/Down. The L951.8 has 426 parts, is assembled twice, runs at 18,000 semi-oscillations per hour and offers up to 60 hours of power reserve, according to Lange.
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Its listed functions are a flyback chronograph, a precisely jumping minute counter and the outsize date. The official feature description does not list a power-reserve display for this Handwerkskunst model. The 60-hour figure is the manufacturer’s stated maximum reserve, not an independent test result.
How it fits into the Datograph family
The Datograph debuted in 1999 as A. Lange & Söhne’s first chronograph after the brand’s relaunch. Its defining visual formula pairs the outsize date with two light-coloured subsidiary dials positioned low on the dial. The 2024 Handwerkskunst retains that architecture while using the monochrome tremblage treatment to give the familiar arrangement a different visual character.
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Other Datograph releases in the anniversary year were not simply variants of the same watch. Lange also introduced a white-gold Datograph Up/Down with a blue dial and the Datograph Perpetual Tourbillon Honeygold “Lumen.” The Up/Down uses calibre L951.6 and includes a power-reserve indicator; those features should not be attributed to the Handwerkskunst’s L951.8.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Price and availability
Hodinkee’s August 2024 launch report listed the price as “Price on Request”; the sources do not establish a numerical launch price. Lange describes the 25-piece watch as boutique-exclusive, but that does not confirm present-day availability or secondary-market pricing.
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Specifications
| Specification | Datograph Handwerkskunst 405.048F |
|---|---|
| Case | 750 yellow gold |
| Dimensions | 41.0 mm diameter; 13.1 mm height |
| Edition | 25 watches worldwide |
| Dial | Black-rhodiumed main dial and rhodiumed light-grey totalisers; tremblage engraving on both |
| Movement | L951.8, manual winding; assembled twice; 426 parts |
| Power reserve | Up to 60 hours |
| Frequency | 18,000 semi-oscillations per hour |
| Functions | Flyback chronograph, precisely jumping minute counter, outsize date |
| Price at launch | Price on Request, as reported by Hodinkee |
Specifications and finishing details are from the A. Lange & Söhne press release and official product page. Reference and launch-price reporting are from Hodinkee’s launch coverage. Family history is covered in the brand’s Datograph retrospective; Richemont’s FY2025 annual report also places the release in August 2024.
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