A. Lange & Söhne 1815 Annual Calendar

The A. Lange & Söhne 1815 Annual Calendar is a dress watch collection combining the spare, symmetrical architecture of the historic 1815 line with an annual calendar complication that requires only one manual correction per year, at the turn of February into March. Offered in 40mm cases of white gold and pink rose gold, these references pair precious metal cases with an argente silver dial for a timeless, legible presentation that reflects Lange's commitment to restrained Saxon elegance. References 238.026 and 238.032 represent the white gold and rose gold variants respectively, both finished to the exacting hand-crafted standards that distinguish Glashütte's most storied manufacture. Bizak and Co. carries authenticated examples of these pieces, inspected and ready to ship to collectors across the United States.

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About the A. Lange & Söhne 1815 Annual Calendar

The 1815 name pays homage to the birth year of Ferdinand Adolph Lange, whose founding of the Saxon watchmaking tradition in Glashütte in 1845 became the bedrock of German high horology. The 1815 collection is defined by its classically proportioned round case, applied Roman numerals, blued steel hands, and a dial philosophy rooted in clarity over complication, making the addition of an annual calendar a particularly considered choice that adds function without disturbing the line's austere identity. The annual calendar module intelligently distinguishes between 30-day and 31-day months, advancing automatically through all months except February, so the wearer interacts with the complication just once across an entire year. The 40mm case size strikes a contemporary yet dressy balance, and the argente silver dials on both references reinforce the collection's thoroughly formal, old-world character.

What to Look For

Buyers comparing the two principal references should weigh the cooler, more formal tone of the 950 white gold case in reference 238.026 against the warmer, slightly more approachable character of the pink rose gold case in reference 238.032, as both share the identical dial configuration and case dimensions. Condition, completeness of box and papers, and whether the example is described as brand new or pre-owned are the primary value drivers in this collection, given Lange's consistent positioning at the top of the German independent luxury segment.

Frequently Asked Questions

What is the difference between references 238.026 and 238.032?

Reference 238.026 is cased in 950 white gold while reference 238.032 uses pink rose gold; both share the same 40mm case diameter and argente silver dial. The choice between them is essentially an aesthetic one, as the complication, dial layout, and finishing standards are identical across the two references.

How does the annual calendar complication work on the A. Lange & Söhne 1815 Annual Calendar?

The annual calendar mechanism automatically accounts for months with 30 or 31 days, meaning it advances correctly without intervention from March through January. The only correction required is a single manual adjustment at the end of February, making it one of the most practical calendar complications available in a dress watch.

Are the 1815 Annual Calendar watches at Bizak and Co. authenticated?

Yes, every A. Lange & Söhne 1815 Annual Calendar offered at Bizak and Co. is authenticated prior to listing and ships with its accompanying documentation. Whether you are buying a brand new example or a pre-owned reference, each piece is verified for authenticity and condition before it reaches the buyer.

Buy, trade, or sell. Contact Bizak & Co. for pricing and availability on any reference in this collection.