Wristwatch · Tourbillon wristwatch with fusée-and-chain mechanism

A. Lange & Söhne Ref. 701.007 Tourbillon Pour le Mérite

Partially verified

This A. Lange & Söhne Tourbillon Pour le Mérite, reference 701.007, is an 18k white gold wristwatch dated by the manufacturer's certificate to 1994. Featuring a 38mm three-part case numbered 110'388, the auction record notes it is engraved as number 138 of a 150-piece edition. The blue dial displays white Arabic numerals, an aperture exposing the one-minute tourbillon cage at 6 o'clock, subsidiary seconds at 9 o'clock, and an Auf/Ab 36-hour power reserve indicator at 3 o'clock. Movement number 423 is the manual-wind calibre L902.0 with 29 jewels and a fusée-and-chain transmission.

Front view of A. Lange & Söhne Tourbillon Pour le Mérite Ref. 701.007 in 18k white gold — Phillips. Rights pending — permission not yet requested. Original source

Catalogue identity

Source: www.phillips.com
Category: Wristwatch · Tourbillon wristwatch with fusée-and-chain mechanism
Maker / attribution: A. Lange & Söhne
Reference: 701.007
Catalogue / lot identifier: 23
Source-reported date: 1994
Country: Germany
Source-reported serial: 110'388

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 External Construction

This A. Lange & Söhne Tourbillon Pour le Mérite, reference 701.007, features an 18k white gold case with a diameter of 38mm. The external observations include straight lugs and a fluted crown.

The auction source lists the case number as 110'388 and notes that the caseback is engraved with the limited edition number 138 of 150. These engravings are not visible in the provided imagery.

Evidence for this section

“Material 18k white gold”
“Dimensions 38mm diameter”
“Case No 110'388, caseback further engraved with limited edition number 138 of 150”

Dial and Complications

The timepiece features a blue dial with printed white Arabic numerals and an outer railway minute track. A visible aperture at 6 o'clock displays the one-minute tourbillon cage, which is traversed by a straight polished bridge set with endstones.

A subsidiary dial for running seconds, inscribed 'TOURBILLON', is positioned at 9 o'clock. A second subsidiary dial at 3 o'clock serves as a power reserve indicator.

Evidence for this section

“Deep blue dial with printed white Arabic numerals and an outer railway minute track.”
“Aperture at 6 o'clock showcasing a tourbillon cage traversed by a straight polished bridge with endstones.”
“Subsidiary dial at 9 o'clock for running seconds inscribed 'TOURBILLON'.”

Movement and Mechanism

The watch is equipped with the manual-wind calibre L902.0, which contains 29 jewels. The movement is reported by the source to include a fusée-and-chain transmission mechanism.

The movement is identified as number 423 by the auction records. The internal mechanism is not visible in the provided dial-side photograph.

Evidence for this section

“Calibre Manual, L902.0, 29 jewels”
“Movement No 423”
“fusée chain mechanism”

Open research questions

Are there visible hallmarks on the case lugs or caseback that corroborate the 18k gold composition?
Can the limitation number '138' be verified through an inspection of the caseback engraving?
Is the movement number 423 visible on the caseback or through a display back if available?

Source evidence

Recorded claims and source quotations for A. Lange & Söhne Ref. 701.007 Tourbillon Pour le Mérite
Field	Source-reported value	Source quotation
Reference Number	701.007	“Reference No 701.007”
Case Number	110'388	“Case No 110'388”
Movement Number	423	“Movement No 423”
Calibre	Manual, L902.0, 29 jewels	“Calibre Manual, L902.0, 29 jewels”
Case Material	18k white gold	“Material 18k white gold”
Dimensions	38mm diameter	“Dimensions 38mm diameter”
Production Date	1994	“Certificate confirming production of the present watch in 1994.”
Strap	Alligator	“Bracelet/Strap Alligator”

Visible details

Deep blue dial with printed white Arabic numerals and an outer railway minute track.
Aperture at 6 o'clock showcasing a tourbillon cage traversed by a straight polished bridge with endstones.
Subsidiary dial at 9 o'clock for running seconds inscribed 'TOURBILLON'.
Subsidiary dial at 3 o'clock for power reserve indicated up to 36 hours.
Straight lugs and fluted crown marked with the Lange emblem.

Research qualifications

Caseback engraving indicating limited edition number 138 of 150 is source-reported and not visible in the provided image.
Movement calibre L902.0 and movement number 423 cannot be directly inspected from the dial view.

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

Consulted source

A. Lange & Söhne The Geneva Watch Auction: XXI

Reviewed 2026-10-22 · Record 0f083b61dc

Terms in this record

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