A Lange Sohne Lange 1 Perpetual Calendar White Gold 41.9mm 345.056 E

A. Lange & Söhne's Lange 1 Perpetual Calendar is widely regarded as one of the most intellectually and aesthetically ambitious German dress watches ever produced. First introduced as an evolution of the iconic Lange 1—itself the watch that announced Lange's triumphant return to watchmaking in 1994—the Perpetual Calendar variant layers a self-correcting Gregorian calendar mechanism over Lange's signature asymmetric dial architecture. Reference 345.056 E, offered here brand new by Bizak & Co., represents this tradition at its most refined: a 41.9mm white gold case housing a pink dial with Roman numerals and indexes, finished with a hand-stitched leather strap.

The Lange 1 Perpetual Calendar's dial is one of the most recognizable faces in horology. Lange's hallmark outsize date—displayed in the upper-left quadrant through two large apertures—commands immediate attention, while subsidiary dials for the perpetual calendar indications are arranged with the obsessive symmetry and legibility that define the Glashütte manufacture's design philosophy. On reference 345.056 E, the pink dial provides a warm, luminous ground that offsets the cool gleam of the white gold case and indices, creating a color dialogue that photographs beautifully and reads even more compellingly in person.

The perpetual calendar mechanism integrated into this reference automatically accounts for months of varying length, including February in both standard and leap years, meaning the date display will remain correct without any manual intervention through the year 2100. This level of mechanical foresight—engineered entirely in-house at Lange's Glashütte workshops—is a testament to the manufacture's insistence on solving genuine horological problems rather than simply producing visual spectacle. Every component of a Lange movement is hand-finished to the exacting standards of the Glashütte tradition, including beveled edges, polished screws, and three-quarter plates of German silver.

At 41.9mm in white gold, the Lange 1 Perpetual Calendar occupies the wrist with quiet authority. White gold's cool, silvery tone pairs effortlessly with formal and smart-casual attire alike, and its density lends a satisfying weight that affirms the watch's substance without being burdensome. The domed sapphire crystal protects the dial while allowing the careful observer to appreciate every layer of the display, and the exhibition caseback—standard on Lange references—reveals the hand-engraved balance cock and meticulously finished movement beneath.

For collectors seeking to buy the Lange 1 Perpetual Calendar 345.056 E online, brand-new condition is particularly meaningful: the watch arrives with its full factory finish intact, the leather strap uncreased, and every tolerance exactly as Lange's watchmakers intended. A. Lange & Söhne produces its watches in deliberately limited numbers, and perpetual calendar references in white gold with pink dials represent some of the most sought-after configurations in the secondary and primary markets alike.

Bizak & Co. specializes in curating exactly this tier of horological excellence. Whether you are a seasoned Lange collector adding a pivotal complication to your collection or a discerning buyer purchasing your first grand complication, our team is prepared to guide you through every detail of reference 345.056 E—from provenance and specification to secure shipping and after-sale support. Contact Bizak & Co. today to inquire about current pricing and availability for this exceptional A. Lange & Söhne Lange 1 Perpetual Calendar.