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The Encyclopedia of Horology

Wristwatch · Manual wristwatch with large date and power reserve

A. Lange & Söhne Lange 1 "25th Anniversary" Ref. 191.066

Partially verified

This A. Lange & Söhne Lange 1 "25th Anniversary" wristwatch, reference 191.066, dates to 2019 and is numbered 163 of a 250-piece limited edition. The 18k white gold case measures 38.5 mm in diameter and houses the manual-wind calibre L121.1 movement with 43 jewels. It features an asymmetric silvered dial with deep blue numerals, blued steel hands, an off-centre time display, subsidiary seconds, an AUF/AB power reserve indicator, and an outsize double-aperture date display. Fitted with an alligator leather strap and an 18k white gold pin buckle, the source reports it includes an engraved hinged cuvette and sapphire display back.

Oblique front view of the A. Lange & Söhne Lange 1 '25th Anniversary' showing the silvered dial, blued hands, outsize date, and white gold case
Oblique front view of the A. Lange & Söhne Lange 1 '25th Anniversary' showing the silvered dial, blued hands, outsize date, and white gold case — Phillips. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.phillips.com
Category
Wristwatch · Manual wristwatch with large date and power reserve
Maker / attribution
A. Lange & Söhne
Reference
191.066
Catalogue / lot identifier
202
Source-reported date
2019
Country
Germany
Source-reported serial
163/250 and 250'413

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

Identity and Edition Specifics

Catalogued under reference 191.066, this wristwatch is an 18k white gold example of the Lange 1 '25th Anniversary' model, produced by A. Lange & Söhne and dated to 2019 in auction documentation. The specific piece bears movement number 141'254 alongside case numbers 163/250 and 250'413, identifying it as number 163 within a 250-piece limited edition.

The cataloguing notes that the edition was made to commemorate the 25th anniversary of A. Lange & Söhne. The case, dial, movement, and pin buckle are reported by the source to be signed.

Evidence for this section
  • “Reference No 191.066”
  • “Case No 163/250 and 250'413”
  • “Movement No 141'254”
  • “Made to commemorate the 25th anniversary of A. Lange & Söhne”
  • “Signed Case, dial, movement and pin buckle signed”

Dial Architecture and Visible Features

The watch presents an asymmetric silvered dial layout fitted with blued steel hands and deep blue printing. Time is displayed on an off-centre primary hour and minute subdial accented by Roman numerals and diamond-shaped hour markers, complemented by a subsidiary seconds subdial and an AUF/AB power reserve indicator.

At the 2 o'clock position sits an outsize double-aperture date display with blue numerals showing '28'. The watch is fitted with a fluted winding crown bearing the brand signature on the right case side of the 38.5 mm white gold case, and it is mounted on an alligator leather strap paired with an 18k white gold pin buckle.

Evidence for this section
  • “Off-centre primary hour and minute subdial with Roman numerals and diamond-shaped hour markers”
  • “Double-aperture date display at the 2 o'clock position showing '28' in blue numerals”
  • “Blued steel hands for hours, minutes, small seconds, and power reserve indicator”
  • “Fluted winding crown bearing the brand signature on the right case side”
  • “Dimensions 38.5mm diameter”
  • “Bracelet/Strap Alligator”
  • “Clasp/Buckle 18k white gold A. Lange & Söhne pin buckle”

Reported Movement and Case Details

Internally, the watch is catalogued as housing a manual-wind calibre L121.1 movement featuring 43 jewels. According to the auction source, the case is equipped with an engraved white-gold hinged cuvette depicting the A. Lange & Söhne family domain that was originally inaugurated in 1873.

The seller documentation notes that opening the cuvette reveals a sapphire-crystal caseback through which the movement and a specially engraved balance cock are visible. These internal and reverse caseback features are reported by the cataloguing and are not verifiable from the single primary dial photograph.

Evidence for this section
  • “Calibre Manual, cal. L121.1, 43 jewels”
  • “The engraved white-gold hinged cuvette showcases the A. Lange & Söhne family domain that was originally inaugurated in 1873.”
  • “Noticeable through the sapphire-crystal caseback, the balance cock also features a special engraving.”

Open research questions

  • What specific engraving design is executed on the balance cock of calibre L121.1 for this 25th Anniversary edition?
  • Does the hinged cuvette open using a release button or a manual fingernail lip on the case perimeter?
  • What date of sale and issuing retailer are stamped in the accompanying guarantee paperwork?

Source evidence

Recorded claims and source quotations for A. Lange & Söhne Lange 1 "25th Anniversary" Ref. 191.066
FieldSource-reported valueSource quotation
Reference191.066“Reference No 191.066”
Case Number163/250 and 250'413“Case No 163/250 and 250'413”
Movement Number141'254“Movement No 141'254”
CalibreManual, cal. L121.1, 43 jewels“Calibre Manual, cal. L121.1, 43 jewels”
Case Material18k white gold“Material 18k white gold”
Diameter38.5mm“Dimensions 38.5mm diameter”
Strap MaterialAlligator“Bracelet/Strap Alligator”
Buckle Type18k white gold A. Lange & Söhne pin buckle“Clasp/Buckle 18k white gold A. Lange & Söhne pin buckle”
Accompanying AccessoriesGuarantee, product literature, wallet, presentation box, and outer packaging“Accessories Accompanied by A. Lange & Söhne Guarantee, product literature, wallet, presentation box and outer packaging.”

Visible details

  • Off-centre primary hour and minute subdial with Roman numerals and diamond-shaped hour markers
  • Double-aperture date display at the 2 o'clock position showing '28' in blue numerals
  • Blued steel hands for hours, minutes, small seconds, and power reserve indicator
  • Fluted winding crown bearing the brand signature on the right case side

Research qualifications

  • The hinged cuvette and movement balance cock described in the text are not visible in the provided image.
  • Accessories such as the box, guarantee, and wallet mentioned in the text are not shown in this view.

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

Consulted source

A. Lange & Söhne The Geneva Watch Auction: XXIII

Reviewed 2026-10-21 · Record 481a3c75c7

Terms in this record

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