The year 2019 marks 25 years since the resurrection of A. Lange & Söhne, Germany’s most prestigious luxury watchmaker, and the launch of the watch that has defined its modern era, the now-iconic Lange 1. The Teutonic brand will ring in this milestone year with the release of the limited-edition Lange 1 25th Anniversary Edition at SIHH 2019.

The two tone silver dial with printed blue numerals

The watch features an solid silver dial (fitting considering this is the “silver anniversary), whose highlights include recessed areas, printed deep blue numerals and hour markers, blued steel hands, and blue numerals for the outsize date, the double-window display that helped make this model’s asymmetrical design a hit among watch aficionados for 25 years and running.

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The case is an understated 38.5 mm in diameter and 10.7 mm thick, made of white gold and outfitted on its rear side with a hinged cuvette back that covers a sapphire viewing window offering a view of the movement. Engraved into the silver cuvette caseback is an illustration of the historical Lange headquarters building that dates back to 1873; the names of founding family scion “WALTER LANGE” and his partner “GUNTER BLUMLEIN,” the men responsible for launching the modern era of the company in October 1994; and the inscription “25 YEARS LANGE 1.”

The historical Lange headquarters is engraved on the caseback

Beneath that very special commemorative caseback ticks the movement, Lange’s manually wound Caliber L121.1, which superseded and replaced the model’s original Caliber L901.0 in 2015. Made entirely in-house at A. Lange & Sohne’s manufacture in Glashutte, in the German state of Saxony, this version of the movement also features some special enhancements not found on standard versions of the Lange 1.

The special anniversary engraving on the balance cock

It is equipped with all the elements that fans of the model have come to expect — a precisely jumping date display, a freely oscillating balance spring, a 72-hour power reserve in twin mainspring barrels, the traditional three-quarter mainplate in untreated German silver with eight screwed gold chatons — along with anniversary-inspired touches like the number “25,” rendered in the style of the outsize date display, incorporated into the hand-engraved motif of the balance cock, and the hand-executed lines of that decorative pattern blued for a rich contrast with the movement’s metallic elements.

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The Lange 1 “25th Anniversary” timepiece is mounted on a hand-stitched, dark blue alligator leather strap with gray stitching and a pronged buckle made of white gold. It is limited to just 250 pieces and will be priced at €43,000.