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The Encyclopedia of Horology

Wristwatch · Chronograph

Audemars Piguet Royal Oak Offshore Ref. 26401RO.OO.A002CA.01

Partially verified

This Audemars Piguet Royal Oak Offshore reference 26401RO.OO.A002CA.01 is an automatic chronograph wristwatch dating to circa 2014. The 44mm case is constructed from 18K pink gold and fitted with an octagonal black ceramic bezel secured by eight visible screws. Its black tapisserie dial displays applied baton indices, three silver-toned chronograph subsidiary dials, and a magnified date aperture at 3 o'clock. The source reports the movement is the self-winding calibre 3126/3840 with 59 jewels. The watch is presented on an integrated black rubber strap secured with an 18K pink gold pin buckle, and is accompanied by an Audemars Piguet presentation box.

Audemars Piguet Royal Oak Offshore reference 26401RO.OO.A002CA.01 in pink gold and ceramic
Audemars Piguet Royal Oak Offshore reference 26401RO.OO.A002CA.01 in pink gold and ceramic — Phillips. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.phillips.com
Category
Wristwatch · Chronograph
Maker / attribution
Audemars Piguet
Reference
26401RO.OO.A002CA.01
Catalogue / lot identifier
56
Source-reported date
Circa 2014
Country
Switzerland
Source-reported serial
No. 1657, H84964

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 Case Construction

This Audemars Piguet Royal Oak Offshore wristwatch, reference 26401RO.OO.A002CA.01, is documented with case numbers No. 1657 and H84964. The 44mm case is fabricated from 18K pink gold and black ceramic, featuring an octagonal black ceramic bezel secured by eight visible hexagonal screws. Rectangular pushers flanking the crown are also executed in black ceramic.

The timepiece is fitted with an integrated black rubber strap and is fastened with an 18K pink gold Audemars Piguet pin buckle. The auction catalog records the production date approximately as circa 2014 in Switzerland.

Evidence for this section
  • “18K pink gold and black ceramic”
  • “44mm Diameter”
  • “18K pink gold Audemars Piguet pin buckle”
  • “Octagonal black ceramic bezel secured with eight hexagonal screws”

Dial and Visual Features

The dial displays a black textured tapisserie pattern, providing background relief for three silver-toned chronograph sub-dials positioned at the 6, 9, and 12 o'clock locations. A magnified circular date aperture is located at the 3 o'clock position.

The case exhibits satin-finished 18K pink gold flanks contrasting with the dark ceramic bezel and pushers. Catalog notes state that the case, dial, movement, and clasp are all signed by the maker.

Evidence for this section
  • “Black textured tapisserie dial with three silver-toned sub-dials positioned at 6, 9, and 12 o'clock”
  • “Magnified circular date window at 3 o'clock”
  • “Satin-finished 18K pink gold case with integrated black rubber strap and rectangular ceramic pushers”
  • “Case, dial, movement, and clasp signed”

Mechanism and Documentation

The movement is described by the auction house as an automatic calibre 3126/3840 with 59 jewels and movement number 899’091. Because the internal calibre is not visible in the primary photograph, mechanical details rely directly on the catalog text.

The lot is accompanied by an Audemars Piguet presentation box. Original guarantee paperwork or additional documentation is not recorded in the source entry.

Evidence for this section
  • “Automatic, cal. 3126/3840, 59 jewels”
  • “899’091”
  • “Accompanied by an Audemars Piguet presentation box.”

Open research questions

  • Does direct inspection of the movement beneath the caseback confirm movement number 899’091 and calibre 3126/3840?
  • Are an extract from the archives or original warranty papers available to confirm the exact delivery date beyond the circa 2014 catalog attribution?

Source evidence

Recorded claims and source quotations for Audemars Piguet Royal Oak Offshore Ref. 26401RO.OO.A002CA.01
FieldSource-reported valueSource quotation
Reference26401RO.OO.A002CA.01“26401RO.OO.A002CA.01”
Case NumberNo. 1657, H84964“No. 1657, H84964”
Movement Number899’091“899’091”
CalibreAutomatic, cal. 3126/3840, 59 jewels“Automatic, cal. 3126/3840, 59 jewels”
Materials18K pink gold and black ceramic“18K pink gold and black ceramic”
Dimensions44mm Diameter“44mm Diameter”
Strap MaterialRubber“Rubber”
Clasp Type18K pink gold Audemars Piguet pin buckle“18K pink gold Audemars Piguet pin buckle”
SignaturesCase, dial, movement, and clasp signed“Case, dial, movement, and clasp signed”

Visible details

  • Octagonal black ceramic bezel secured with eight hexagonal screws
  • Black textured tapisserie dial with three silver-toned sub-dials positioned at 6, 9, and 12 o'clock
  • Magnified circular date window at 3 o'clock
  • Satin-finished 18K pink gold case with integrated black rubber strap and rectangular ceramic pushers

Research qualifications

  • Movement calibre and case back are not visible in the provided photograph; details rely on auction house documentation
  • Original warranty or guarantee papers are not included; lot is accompanied only by a presentation box

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

Consulted source

Audemars Piguet Phillips Watches Online: The New York Sessions Spring 2026

Reviewed 2026-10-21 · Record 50903dad5f

Terms in this record

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

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