Skip to content
The Encyclopedia of Horology

Wristwatch · Perpetual calendar wristwatch

A. Lange & Söhne Langematik Perpetual Calendar

Partially verified

This 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.

Front view showing the dial layout, Roman numeral indices, moon phase, and calendar sub-dials.
Front view showing the dial layout, Roman numeral indices, moon phase, and calendar sub-dials. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Perpetual calendar wristwatch
Maker / attribution
A. Lange & Söhne
Reference
Langematik Perpetual
Catalogue / lot identifier
118
Source-reported date
circa 2001
Source-reported place
Germany
Source-reported serial
146882

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

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.

Evidence for this section
  • “Three-body, solid, polished and brushed, rounded bezel, transparent case back with 6 screws”
  • “18K yellow gold Lange bracelet with concealed double deployant clasp”

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.

Evidence for this section
  • “Solid silver with applied radial yellow gold Roman numerals”
  • “subsidiary dials for the days of the week, the months, the leap year, the 24 hours with day/night indication and the seconds, apertures for the oversized date at 12 and the moon phases at 6.”

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.

Evidence for this section
  • “Cal. L922.1 Sax-O-Mat with zero-reset feature, Glashütte 3/4 plate in German silver, fausses cotes decoration”
  • “21K gold bi-directional micro-rotor with platinum segment, hand-engraved balance bridge.”

Open research questions

  • What is the specific production date for this individual serial number within the 2001-onward range?
  • Has the movement undergone a factory service since the auction report's assessment in the source?

Source evidence

Recorded claims and source quotations for A. Lange & Söhne Langematik Perpetual Calendar
FieldSource-reported valueSource quotation
Case Material18K yellow gold“18K yellow gold wristwatch”
MovementCaliber L922.1 Sax-O-Mat“Cal. L922.1 Sax-O-Mat with zero-reset feature”
Case Reference146882“case No. 146882”
Movement Number45498“No. 45498”
Dial MaterialSolid silver“Solid silver with applied radial yellow gold Roman numerals”
Bracelet18K yellow gold Lange bracelet“18K yellow gold Lange bracelet with concealed double deployant clasp”
Movement DecorationFausses cotes“fausses cotes decoration”
Balance BridgeHand-engraved“hand-engraved balance bridge”

Visible details

  • 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

Research qualifications

  • The auction description recommends an overhaul for the movement
  • The case is reported to have surface scratches

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

A. LANGE LANGEMATIK PERPETUAL CALENDAR YELLOW GOLD A. Lange & Söhne, Glashütte i./Sa., Langematik Perpetual, No. 45498, case No. 146882. Production of this reference started in 2001. Very fine and rare, self-winding, water-resistant, 18K yellow gold wristwatch with perpetual calendar, leap year indication, oversized date, 24-hour indication, moon phases and an 18K yellow gold Lange bracelet with concealed double deployant clasp.

Reviewed 2026-10-26 · Record 81ac417535

Terms in this record

Glossary explanations for terms named in this object’s record.

Other perpetual calendar wristwatch records