A Lange Sohne Saxonia Datograph Perpetual Tourbillon White Gold 740.056FE

The A. Lange & Söhne Saxonia Datograph Perpetual Tourbillon reference 740.056FE represents the apex of what a single wristwatch can achieve from a purely horological standpoint. Combining three of the most revered complications in the watch world — the Datograph flyback chronograph, a perpetual calendar with Lange's signature outsize date, and a tourbillon — into one harmonious 41.5 mm white gold case, this reference is among the most coveted grand complications ever to leave the Glashütte manufacture.

A. Lange & Söhne was re-established in Glashütte, Saxony, in 1990 by Walter Lange and Günter Blümlein, reviving a tradition of precision German watchmaking that dated to Ferdinand Adolph Lange's founding of the original manufacture in 1845. From its very first collection, the reborn Lange set itself apart by introducing an outsize date display — the Großdatum — that would become one of the brand's most recognizable signatures. The Datograph family, introduced in 1999, elevated that heritage further by pairing the outsize date with a flyback chronograph of extraordinary refinement, and the Datograph Perpetual Tourbillon stands as the fullest expression of that ambition.

The 41.5 mm white gold case of the 740.056FE is characteristic of Lange's Saxonia line: architecturally clean, with softly curved lugs and a white gold bezel that frames the dial with quiet opulence rather than ostentation. White gold as a case material lends the watch a cool luminosity that photographs beautifully and ages with dignity, while remaining lighter on the wrist than platinum. The leather strap completes a presentation that is thoroughly dressy yet wearable, allowing the dial's complexity to command the eye without competition from a heavy bracelet.

On the dial, Lange's three-dimensional approach to layout ensures that the outsize date, perpetual calendar indications — month, leap year, and moonphase — and the tourbillon aperture each occupy their own visual territory with legibility that defies the complication count beneath. The flyback chronograph's column-wheel control and the perpetual calendar's sophisticated cam-and-lever mechanism represent German engineering discipline at its finest, engineered to require no correction until the calendar's Gregorian cycle runs its course over many decades.

For a collector evaluating the 740.056FE as an acquisition, the case is compelling on several levels. White gold grand complications from Lange appear in limited numbers and are rarely traded openly; when they do come to market, demand from institutional and private collectors alike is immediate. As a timepiece it is simultaneously an heirloom, a mechanical sculpture, and a demonstration of what is possible when a manufacture refuses to compromise on movement finishing, case quality, or dial architecture.

Bizak & Co. specializes in sourcing and presenting exactly this caliber of exceptional timepiece for discerning buyers across the United States and internationally. If you are ready to buy the A. Lange & Söhne Datograph Perpetual Tourbillon reference 740.056FE online or simply wish to learn more, our team is available to provide full details, additional imagery, and provenance information. Contact Bizak & Co. at bizakandco.com to begin your inquiry — pieces of this rarity deserve a conversation.