A. Lange & Söhne Langematik Perpetual Calendar
Record status
Individual type · partial
Period
circa 2001
Maker / issuer
A. Lange & SöhneThis A. Lange & Söhne Langematik Perpetual Calendar is a high-complication wristwatch featuring an 18K yellow gold three-body case. The watch integrates a perpetual calendar mechanism, a leap year indication, an oversized date display, a 24-hour day/night indicator, and moon phases.
It is powered by the self-winding Caliber L922.1 Sax-O-Mat movement, constructed with a Glashütte three-quarter plate in German silver, 43 jewels, and a 21K gold micro-rotor with a platinum segment. The timepiece is fitted with a solid silver dial displaying applied yellow gold Roman numerals and luminous alpha hands. Completing the piece is an 18K yellow gold Lange bracelet secured by a concealed double deployant clasp.
This model, which incorporates a zero-reset feature and hand-engraved balance bridge, follows the production standards established for this reference beginning in 2001.
Evidence at a glance
- Linked sources
- 1
- Photograph views
- 1
- Catalogue references
- 0
Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.
Technical characteristics
- Type
- Perpetual calendar wristwatch
- Bracelet
- 18K yellow gold Lange bracelet
- Movement
- Caliber L922.1 Sax-O-Mat
- Case Material
- 18K yellow gold
- Dial Material
- Solid silver
- Balance Bridge
- Hand-engraved
- Case Reference
- 146882
- Place recorded
- Germany
- Movement Number
- 45498
- Maker / attribution
- A. Lange & Söhne
- Movement Decoration
- Fausses cotes
Design
- Visible features
- • Case diameter is 38 mm with a thickness of 10 mm • Transparent case back secured by 6 screws • Luminous yellow gold alpha hands • Features an oversized date aperture at 12 o'clock
- Dial and Calendar Displays
- The solid silver dial features applied yellow gold Roman numerals and is equipped with luminous yellow gold alpha hands. The perpetual calendar functionality is represented through multiple subsidiary dials and apertures. The days of the week, months, leap year, and 24-hour cycle with day/night indication are displayed in individual subdials. Additionally, the dial layout incorporates an oversized date aperture positioned at the 12 o'clock position and a moon phase display at 6 o'clock. This arrangement allows for the legibility of the calendar complications while maintaining the aesthetic established by the model series.
- Case and Bracelet Construction
- The watch is housed in a three-body case crafted from 18K yellow gold. It exhibits both polished and brushed finishes and features a rounded bezel. The construction includes sapphire crystals on both the front and the transparent case back, which is secured by six screws. Correctors for the calendar functions are located on the case band. The timepiece is accompanied by an integrated 18K yellow gold Lange bracelet, which secures to the wrist via a concealed double deployant clasp. The overall length is approximately 175 mm, and the case measures 38 mm in diameter with a 10 mm thickness.
- Movement and Mechanical Details
- The Caliber L922.1 Sax-O-Mat movement serves as the mechanical core of the watch. It is built with a Glashütte three-quarter plate composed of German silver and finished with fausses cotes decoration. The movement contains 43 jewels and utilizes a straight-line lever escapement and a monometallic balance adjusted to five positions. Power is managed by a 21K gold bi-directional micro-rotor that incorporates a platinum segment. The movement further includes a zero-reset feature, a swan-neck micrometer regulator, and a hand-engraved balance bridge, ensuring consistent adjustment and aesthetic detail throughout the caliber.
Identification
- Reference
- Langematik Perpetual
- Serial number
- 146882
- Source note
- Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.
Catalogue references
No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.
Research required
- Research required: The auction description recommends an overhaul for the movement
- Research required: The case is reported to have surface scratches