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The Encyclopedia of Horology

Wristwatch · Tourbillon wristwatch

Audemars Piguet Pink Gold Tourbillon 'Jules Audemars', Ref. 25873OR

Partially verified

This Audemars Piguet 'Jules Audemars' wristwatch, reference 25873OR, features a 39 mm pink gold circular case housing a silvered dial. Source records date the piece to circa the 2000s and report case serial number E42544, N°18. The dial layout includes an open aperture at 6 o'clock revealing a tourbillon carriage, flanked by two subsidiary registers indicating the power reserve and analog date. Christie's states that the watch is powered by an automatic hammer-winding movement driving tourbillon, power-reserve, and date complications. The watch is fitted with a textured leather strap and signed pink gold deployant clasp.

Audemars Piguet pink gold 'Jules Audemars' tourbillon wristwatch, reference 25873OR.
Audemars Piguet pink gold 'Jules Audemars' tourbillon wristwatch, reference 25873OR. — Christie's. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
onlineonly.christies.com
Category
Wristwatch · Tourbillon wristwatch
Maker / attribution
Audemars Piguet
Reference
25873OR
Catalogue / lot identifier
315
Source-reported date
circa 2000s
Country
Switzerland
Source-reported serial
E42544, N°18

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 Construction and Exterior Details

The wristwatch is housed in a 39 mm pink gold circular case configured with straight lugs and a smooth, stepped bezel. Christie's records the case number as 'E42544, N°18'. The watch is mounted on a beige textured leather strap with matching stitching, and Christie's reports that it is fitted with a signed Audemars Piguet pink gold deployant clasp.

While visual observation confirms the stepped bezel architecture and case geometry, the reverse of the case is not visible in the primary photograph. Christie's condition report notes that the case exhibits minor signs of wear and the case back shows signs of wear, though specific engravings or construction details of the case back are not detailed in the source listing.

Evidence for this section
  • “CASE MATERIAL: Pink gold”
  • “CASE DIAMETER: 39 mm.”
  • “CASE NO: E42544, N°18”
  • “CLASP: Pink gold deployant clasp, signed Audemars Piguet”
  • “Circular pink gold case with a smooth stepped bezel and straight lugs.”
  • “Case: The case is in very good condition, with minor signs of wear. The case back shows signs of wear.”

Dial Display and Complications

The watch features a silvered dial with an off-center upper display utilizing applied pink gold Arabic numerals and baton indices for timekeeping. Flanking this register are two subsidiary dials: an analog date indicator calibrated from 1 to 31 on the right, and a power-reserve indicator marked up to 52 on the left.

At the 6 o'clock position, an open aperture displays a rotating tourbillon carriage with a central balance wheel. The dial is signed 'AUDEMARS PIGUET' below 12 o'clock, inscribed 'TOURBILLON AUTOMATIC' above the 6 o'clock aperture, and marked 'SWISS MADE' along the lower edge.

Evidence for this section
  • “DIAL: Silvered”
  • “FUNCTIONS: Tourbillon, power-reserve, date”
  • “Off-center upper time display with applied pink gold Arabic numerals and baton indices.”
  • “Subsidiary dial to the left marked up to 52 for power-reserve indication.”
  • “Subsidiary dial to the right calibrated from 1 to 31 for the calendar date.”
  • “Aperture positioned at 6 o'clock displaying a rotating tourbillon carriage with central balance wheel.”
  • “Dial signed 'AUDEMARS PIGUET' below 12 o'clock, 'TOURBILLON AUTOMATIC' above 6 o'clock, and 'SWISS MADE' along the lower edge.”

Movement Mechanism and Documentation Limits

Christie's cataloguing lists the movement as an automatic mechanism operating with a 'Hammer-Winding' system, driving tourbillon, power-reserve, and date functions. The auctioneer's condition report states that the movement was ticking and all functions were working at the time of cataloguing, though a service was recommended.

The source dates the piece to circa the 2000s ('CIRCA: 2000s'). Christie's also records that the lot is accompanied by neither original presentation packaging nor documentation ('BOX: No' and 'PAPERS: No').

Evidence for this section
  • “MOVEMENT: Automatic, 'Hammer-Winding' system”
  • “CIRCA: 2000s”
  • “BOX: No”
  • “PAPERS: No”
  • “Movement: The movement is ticking at the time of cataloguing and all functions are working; however, a service is recommended.”

Open research questions

  • What specific Audemars Piguet caliber number corresponds to this automatic hammer-winding tourbillon movement?
  • Does the case back feature a solid metal cover or a sapphire crystal exhibition window revealing the hammer-winding mechanism?
  • What specific production date is associated with case serial number E42544, N°18 in Audemars Piguet production records?

Source evidence

Recorded claims and source quotations for Audemars Piguet Pink Gold Tourbillon 'Jules Audemars', Ref. 25873OR
FieldSource-reported valueSource quotation
Case MaterialPink gold“CASE MATERIAL: Pink gold”
Case Diameter39 mm“CASE DIAMETER: 39 mm.”
Case NumberE42544, N°18“CASE NO: E42544, N°18”
DialSilvered“DIAL: Silvered”
MovementAutomatic, 'Hammer-Winding' system“MOVEMENT: Automatic, 'Hammer-Winding' system”
FunctionsTourbillon, power-reserve, date“FUNCTIONS: Tourbillon, power-reserve, date”
ClaspPink gold deployant clasp, signed Audemars Piguet“CLASP: Pink gold deployant clasp, signed Audemars Piguet”
Original BoxNo“BOX: No”
Original PapersNo“PAPERS: No”

Visible details

  • Circular pink gold case with a smooth stepped bezel and straight lugs.
  • Off-center upper time display with applied pink gold Arabic numerals and baton indices.
  • Aperture positioned at 6 o'clock displaying a rotating tourbillon carriage with central balance wheel.
  • Subsidiary dial to the left marked up to 52 for power-reserve indication.
  • Subsidiary dial to the right calibrated from 1 to 31 for the calendar date.
  • Dial signed 'AUDEMARS PIGUET' below 12 o'clock, 'TOURBILLON AUTOMATIC' above 6 o'clock, and 'SWISS MADE' along the lower edge.
  • Mounted on a beige textured leather strap with matching stitching.

Research qualifications

  • Movement caliber and the hammer-winding mechanism are concealed inside the case and not visible in the provided photograph.
  • Case back and clasp engravings cannot be visually verified from this view.

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

Consulted source

AUDEMARS PIGUET, PINK GOLD TOURBILLON ‘JULES AUDEMARS’, REF. 25873OR, | Christie’s

Reviewed 2026-10-21 · Record 27631e5b8d

Terms in this record

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

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