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The Encyclopedia of Horology

Wristwatch · Self-winding chronograph wristwatch

Audemars Piguet Royal Oak Chronograph Ref. 25860ST.OO.1110ST.05

Partially verified

This Audemars Piguet Royal Oak Chronograph, reference 25860ST.OO.1110ST.05, is a self-winding stainless steel wristwatch. The watch features a black dial and is paired with an integrated stainless steel bracelet with a deployant clasp, measuring approximately 175 mm in length. It is powered by the caliber 2385 movement. The dial, case, and movement are signed by the manufacturer. The timepiece is documented as having been sold in 2007. The auction description reports that the watch was sent to Audemars Piguet for a complete overhaul in 2018 and has not been worn since. It is accompanied by an original fitted box, a certificate of origin, an instruction booklet, and a copy of the service invoice. The object is presented as part of a collection and is identified by case number F58419, No. 10220, and movement number 646890.

Frontal view of the Audemars Piguet Royal Oak Chronograph ref. 25860ST.
Frontal view of the Audemars Piguet Royal Oak Chronograph ref. 25860ST. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Self-winding chronograph wristwatch
Maker / attribution
Audemars Piguet
Reference
25860ST.OO.1110ST.05
Catalogue / lot identifier
443
Source-reported date
2007
Source-reported place
Switzerland
Source-reported serial
F58419, No. 10220

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 Bracelet

The watch is constructed from stainless steel and features the Royal Oak series aesthetic, characterized by an octagonal bezel attached with eight exposed screws. The case measures 40 mm in diameter.

The timepiece is fitted with an integrated stainless steel bracelet. The bracelet concludes with a deployant clasp mechanism. The total length of the bracelet as specified is approximately 175 mm.

Evidence for this section
  • “integrated stainless steel Audemars Piguet bracelet wit deployant clasp”
  • “Diameter 40 mm.”

Dial and Movement

The dial is black and follows the chronograph layout with three sub-dials. A date display is positioned at the 4:30 index. The dial bears the Audemars Piguet signature and the 'Automatic' designation.

Internal power is supplied by the self-winding caliber 2385 movement. The movement, identified by number 646890, is signed by the manufacturer. The watch is classified as a chronograph.

Evidence for this section
  • “self-winding, stainless steel chronograph wristwatch”
  • “Caliber 2385”
  • “Movement No. 646890”

Condition and Accompanying Documentation

The auction house provides a grading for the object, marking the case as 'Very good' and the dial as 'As new'. The movement is graded as 'Very good' but carries an overhaul recommendation.

Included with the watch are several original components, specifically the fitted box, a certificate of origin, and an instruction booklet. A copy of a service invoice from 2018 is also provided, documenting a previous overhaul.

Evidence for this section
  • “Grading System Grade: AAA Excellent”
  • “The watch was sent to Audemars Piguet for a complete overhaul in 2018 and has not been worn since.”
  • “Accessories original fitted box, certificate of origin, instruction booklet, copy of the service invoice”

Open research questions

  • What is the specific functional status of the caliber 2385 movement at the time of inspection?
  • Does the service invoice copy provide details on specific parts replaced during the 2018 overhaul?

Source evidence

Recorded claims and source quotations for Audemars Piguet Royal Oak Chronograph Ref. 25860ST.OO.1110ST.05
FieldSource-reported valueSource quotation
MakerAudemars Piguet“Audemars Piguet, Switzerland”
Reference Number25860ST.OO.1110ST.05“Reference 25860ST.OO.1110ST.05”
Case NumberF58419, No. 10220“Case No. F58419, No. 10220”
Movement Number646890“Movement No. 646890”
Caliber2385“Caliber 2385”
Diameter40 mm“Diameter 40 mm.”
Year of Sale2007“Year Sold in 2007”
ProvenanceProperty of a Swiss collector“Provenance Property of a Swiss collector”

Visible details

  • Integrated stainless steel link bracelet with folding deployant clasp
  • Octagonal bezel secured by eight visible screws
  • Triple register chronograph layout with date aperture at 4:30
  • Black 'Tapisserie' dial pattern

Research qualifications

  • The auction description mentions an overhaul recommendation despite notes of a 2018 service
  • Verification of current movement performance is not provided in the source

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

Consulted source

AUDEMARS PIGUET, REF. 25860, ROYAL OAK CHRONOGRAPH, BLACK DIAL, BOX AND CERTIFICATE, STEEL

Reviewed 2026-10-26 · Record 6739157864

Terms in this record

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

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