A. Lange & Söhne - Datograph "Dufourgraph" - Black Dial - 403.031 - 2004

A. Lange & Söhne – Datograph “Dufourgraph” – Black Dial – 403.031 – 2004

The A. Lange & Söhne Datograph reference 403.031, often nicknamed the “Dufourgraph,” earned its moniker from legendary watchmaker Philippe Dufour, who once praised it as the finest chronograph movement ever created. Dufour’s acclaim elevated this timepiece to near-mythical status among collectors, as it combines German precision, exceptional craftsmanship, and unparalleled movement architecture. The name “Dufourgraph” has since become synonymous with this model, symbolizing both technical mastery and aesthetic perfection.

Released in 2004, this Datograph features an elegant black dial contrasted by rose gold case construction, offering a rich, warm appearance that enhances its refined design. The dial layout is exceptionally well-balanced, with oversized date windows at 12 o’clock and two perfectly positioned sub-dials for the chronograph functions. The rose gold hands and markers further complement the dark dial, giving the watch a distinctive sophistication that stands out from other chronographs.

At the heart of this masterpiece lies the L951.1 hand-wound movement, renowned for its breathtaking level of finishing and complex column-wheel chronograph mechanism. Visible through the sapphire caseback, the movement showcases a three-dimensional architecture, with hand-polished bevels, heat-blued screws, and German silver plates, all assembled and decorated by master watchmakers in Glashütte.

Key Features:

• Reference: 403.031

• Nickname: “Dufourgraph”

• Year: 2004

• Case Material: 18k Rose Gold

• Dial: Black with rose gold accents

• Movement: Manual-winding A. Lange & Söhne Caliber L951.1

• Functions: Chronograph, Flyback function, Large Date

• Crystal: Sapphire front and caseback

• Bracelet/Strap: High-quality leather strap with rose gold clasp