Technical Data:
Maker: A. Lange' & Sohne
Model: 1815 Up/Down
Reference: 221.025
Year: 2006
Condition: 8.5/10
Material: Platinum
Dimensions: 36mm
Crystal: Sapphire Crystal
Dial: Argente
Bezel: Platinum
Caliber: Manual Winding
Bracelet/Strap: Original black alligator strap and additional custom stone grey epsom strap.
Box/Papers: Full set with box and papers
Condition:
The watch is in 8.5/10 in excellent condition where it maintains its original shape and design. The dial in Argente is well preserved and appears to be in excellent condition with little to no oxidisation and no damage on the dial. The case is slightly worn with some signs of scratches but is excellent and still engravings are still clearly visible The original strap is slightly worn but is original to the watch with the original buckle.
Our Thoughts:
At the heart of this watch lies the Up/Down" complication, a nod to Lange’s past, where functionality and practicality reigned supreme. The power reserve indicator, prominently displayed at the 4 o’clock position, informs the wearer when the watch is fully wound (“Up”) or nearing the end of its 45-hour power reserve (“Down”). Paired with a small seconds subdial at 8 o’clock, the perfectly symmetrical layout creates a harmonious dial that is both functional and beautiful. The blued steel hands, railroad minute track, and bold Arabic numerals further evoke the spirit of 19th-century precision timekeeping, making the 1815 Up/Down a true collector’s dream.
What makes the 1815 Up/Down 221.025 exceptionally collectible is the exquisite craftsmanship behind its manually wound caliber L942.1. Visible through the sapphire caseback, the movement is a work of art, featuring the brand’s signature three-quarter plate, gold chatons, hand-engraved balance cock, and thermally blued screws. Each detail speaks to A. Lange & Söhne’s meticulous dedication to excellence. For collectors, this watch is more than a timepiece, it’s a tribute to the golden age of watchmaking, a symbol of Saxon heritage, and a reminder of the timeless beauty found in precision and simplicity.

