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The Encyclopedia of Horology

Wristwatch · Tourbillon wristwatch

Jaeger-LeCoultre Master Grand Tourbillon Ref. 149.6.34.S

Partially verified

This Jaeger-LeCoultre Master Grand Tourbillon, reference 149.6.34.S, is a self-winding wristwatch produced in a limited edition of 300 pieces in 2006. The watch features a large, two-body platinum case with a polished, inclined bezel and concave lugs. It measures 43 mm in diameter and 13 mm in thickness. The watch is powered by the Jaeger-LeCoultre caliber 978, a self-winding movement featuring a titanium one-minute tourbillon carriage, 33 jewels, and a 22K gold rotor. Additional complications include a date function with a central red-tipped hand, and a subsidiary 24-hour dial positioned at 12 o'clock. The black dial displays applied white gold Arabic numerals, dart indexes, and luminous dots. The watch is equipped with a transparent case back secured by four screws and is paired with an 18K white gold double deployant clasp.

The Master Grand Tourbillon, showing the dial, the tourbillon aperture, and the 24-hour subsidiary dial, presented in its box with documentation.
The Master Grand Tourbillon, showing the dial, the tourbillon aperture, and the 24-hour subsidiary dial, presented in its box with documentation. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Tourbillon wristwatch
Maker / attribution
Jaeger-LeCoultre
Reference
149.6.34.S
Catalogue / lot identifier
83
Source-reported date
2006
Source-reported place
Switzerland
Source-reported serial
2408015

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

The wristwatch features a large two-body platinum case measuring 43 mm in diameter and 13 mm in thickness. The design incorporates a polished finish, an inclined bezel, and concave lugs. The watch utilizes sapphire crystals and includes a transparent case back secured by four screws, allowing for visibility of the movement components.

The black dial is fitted with applied white gold Arabic numerals, dart indexes, and luminous dots. A minute track and calendar graduation are provided for the date function, which is indicated by a hand with a red tip. A subsidiary 24-hour dial is located at the 12 o'clock position, and the tourbillon is visible through an aperture at 6 o'clock.

Evidence for this section
  • “Two-body, polished, inclined bezel, concave lugs, transparent case back with four screws, sapphire crystals.”
  • “Black with applied white gold Arabic numerals, dart indexes and luminous dots, outer minute track and calendar graduation for the date, aperture to view the tourbillon at 6, subsidiary 24-hour dial at 12.”

Movement and Escapement

The timepiece is powered by the rhodium-plated Jaeger-LeCoultre caliber 978. This self-winding movement is decorated with fausses cotes and contains 33 jewels. It features a lightweight one-minute titanium tourbillon carriage and is equipped with a 22K gold rotor for automatic winding.

The escapement is of the lateral lever type, paired with a monometallic balance and a blued steel Breguet balance spring. The movement includes a shock absorber system. The dial, case, and movement are all signed by the manufacturer.

Evidence for this section
  • “Cal. 978, rhodium-plated, fausses cotes decoration, 33 jewels, one-minute titanium tourbillon carriage, monometallic balance, shock absorber, lateral lever escapement, blued steel Breguet balance spring, 22K gold rotor.”
  • “Dial, case and movement signed.”

Condition and Included Accessories

According to the auction description, the case is in "As new" condition (Grade 1). The dial is listed as "As new" (Grade 1-01), and the hands are identified as original.

The lot is accompanied by its original fitted box, an instruction booklet, and a Certificate of Authenticity. This specific example is numbered 002 out of the 300 pieces produced.

Evidence for this section
  • “Grading System Grade: Case: 1 As new Movement: 1* As new Overhaul recommended, at buyer's expense Dial: 1-01 As new HANDS Original”
  • “Accompanied by the original fitted box, instruction booklet and Certificate of Authenticity.”

Open research questions

  • Is the specific calibration of the 1000 Hours Control currently accurate to original factory standards?
  • Has the watch undergone any internal service history since its 2006 manufacture date?

Source evidence

Recorded claims and source quotations for Jaeger-LeCoultre Master Grand Tourbillon Ref. 149.6.34.S
FieldSource-reported valueSource quotation
MakerJaeger-LeCoultre“Jaeger-LeCoultre”
Reference149.6.34.S“Ref. 149.6.34. S”
Serial Number2408015“case No. 2408015”
Limited Edition Number002/300“No. 002/300”
Case MaterialPlatinum“platinum wristwatch”
MovementJaeger-LeCoultre caliber 978“Jaeger-LeCoultre caliber 978”
Date of Manufacture2006“Made in a limited edition of 300 pieces in 2006.”

Visible details

  • Visible one-minute tourbillon cage at 6 o'clock
  • Subsidiary 24-hour dial located at 12 o'clock
  • Red-tipped date indicator hand
  • 22K gold rotor visible through transparent case back

Research qualifications

  • The movement grading includes a recommendation for overhaul at the buyer's expense
  • The specific extent of any previous servicing is not detailed

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

Consulted source

JAEGER-LECOULTRE REF. 149.6.34.S TOURBILLON PLATINUM Jaeger-LeCoultre, Master Grand Tourbillon, 1000 Hours Control, Automatic, No. 002/300, case No. 2408015, Ref. 149.6.34. S. Made in a limited edition of 300 pieces in 2006. Very fine and rare, large, self-winding, water-resistant, platinum wristwatch with visible Jaeger-LeCoultre caliber 978 lightweight one-minute tourbillon, date, 24-hour indication and an 18K white gold Jaeger-LeCoultre double deployant clasp. Accompanied by the original fitted box, instruction booklet and Certificate of Authenticity.

Reviewed 2026-10-26 · Record b4d59c75e6

Terms in this record

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

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