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The Encyclopedia of Horology

Wristwatch · Wristwatch

A. Lange & Söhne Lange 1 Soiree Ref. 110.031

Partially verified

This A. Lange & Söhne Lange 1 Soiree, reference 110.031, is an 18K pink gold wristwatch. Produced in 2005 and sold in 2006, the piece features an off-center hour dial crafted from guilloche mother-of-pearl, complemented by pink gold alpha hands and applied pink gold radial Roman numerals and indexes. The dial layout includes a subsidiary seconds dial at the five o'clock position, an oversized date aperture at one o'clock, and a power-reserve indicator at three o'clock. The movement is the manual-winding Caliber L 901.0, constructed from maillechort and featuring 53 jewels. This model is housed in a polished and brushed three-body case, measuring 38 mm in diameter and 10 mm in thickness. The watch is equipped with an 18K pink gold A.

Front view of the A. Lange & Söhne Lange 1 Soiree, featuring the guilloche mother-of-pearl dial, oversized date, and 18K pink gold case.
Front view of the A. Lange & Söhne Lange 1 Soiree, featuring the guilloche mother-of-pearl dial, oversized date, and 18K pink gold case. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Wristwatch
Maker / attribution
A. Lange & Söhne
Reference
110.031
Catalogue / lot identifier
173
Source-reported date
2005
Source-reported place
Germany
Source-reported serial
163768

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 Dial Design

The Lange 1 Soiree is constructed with a three-body, solid case featuring both polished and brushed finishes. It measures 38 mm in diameter and 10 mm in thickness. The design incorporates curved straight lugs and a transparent case back secured by six screws, providing a view of the movement. A push button is positioned at the 10 o'clock mark for date correction.

The dial is rendered in guilloche mother-of-pearl, featuring an off-center hour display with applied pink gold radial Roman numerals and indices. The layout includes a subsidiary seconds dial positioned at five o'clock, a power-reserve indicator at three o'clock, and an oversized aperture for the date display at one o'clock. The time is indicated by pink gold alpha hands.

Evidence for this section
  • “Three-body, solid, polished and brushed, transparent case back with 6 screws, curved straight lugs, push button at 10 for date correction”
  • “Guilloche mother-of-pearl, off-center hour dial with applied pink gold radial Roman numerals and indexes”

Movement and Construction

The timepiece is powered by the Caliber L 901.0, a manual-winding movement constructed of maillechort. It features 53 jewels, nine of which are set in screw-mounted gold chatons. The movement incorporates a double barrel, a straight-line lever escapement, and a shock absorber. The balance is monometallic and adjusted to five positions, accompanied by a self-compensating flat balance spring.

The watch includes a swan neck micrometer regulator and a hand-engraved balance bridge.

Evidence for this section
  • “Cal. L 901.0, maillechort, 53 jewels including 9 in screw-mounted gold chatons, double barrel, straight-line lever escapement”
  • “swan neck micrometer regulator, hand-engraved balance bridge”
  • “Overhaul recommended, at buyer's expense”

Signatures and Provenance

The watch is identified by the serial number 49094 and case number 163768. The dial, case, and movement are signed by A.

The watch was produced in 2005 and sold on June 9, 2006. The overall grading of the watch in the auction report is AAA, indicating an excellent condition rating for the object as a whole.

Evidence for this section
  • “No. 49094, case No. 163768”
  • “Dial, case and movement signed.”
  • “Made in 2005, sold June 9th, 2006.”

Open research questions

  • Are there any specific service records documented within the included guarantee or booklet?
  • What are the specific production numbers for the pink gold reference 110.031 variant?

Source evidence

Recorded claims and source quotations for A. Lange & Söhne Lange 1 Soiree Ref. 110.031
FieldSource-reported valueSource quotation
MakerA. Lange & Söhne“A. Lange & Söhne, Glashütte i. Sa”
ModelLange 1 Soiree“Lange 1 Soiree”
Reference110.031“Ref. 110.031”
Case Serial163768“case No. 163768”
Movement CaliberL 901.0“Cal. L 901.0”
Case Material18K pink gold“18K pink gold wristwatch”
Dimensions38 mm diameter, 10 mm thickness“DIAM. 38 mm. THICKNESS 10 mm.”
Movement materialmaillechort“maillechort”
Jewel count53“53 jewels”

Visible details

  • Off-center hour and minute dial
  • Guilloche patterned mother-of-pearl dial surface
  • Oversized date display aperture at 1 o'clock
  • Exposed date corrector button on case band at 10 o'clock

Research qualifications

  • The auction description recommends a mechanical overhaul at the buyer's expense
  • The specific state of the original accompanying documents is not detailed beyond their inclusion

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

Consulted source

LANGE 1 REF. 110.031 SOIREE PINK GOLD A. Lange & Söhne, Glashütte i. Sa, Lange 1 Soiree, No. 49094, case No. 163768, Ref. 110.031. Made in 2005, sold June 9th, 2006. Very fine, water-resistant, 18K pink gold wristwatch with mother-of-pearl off-center hour dial, oversized date, power-reserve and an 18K pink gold A. Lange & Söhne buckle. Accompanied by the original fitted box, guarantee, certificate and booklet.

Reviewed 2026-10-26 · Record 933a1426d3

Terms in this record

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

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