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The Encyclopedia of Horology

Wristwatch · Self-winding wristwatch

Audemars Piguet Royal Oak Jumbo A-Series Ref. 5402ST

Partially verified

This Audemars Piguet Royal Oak, reference 5402ST, is an A-series wristwatch attributed to circa 1974. Designed by Gerald Genta, the watch features a 39mm stainless steel case with an integrated bracelet and a distinctive octagonal bezel secured by eight hexagonal screws. The dial is finished in a grey micro-tappisserie pattern, incorporating the manufacturer's logo at the 6 o'clock position, applied Tritium-filled indices, and a date aperture at 3 o'clock. This specific configuration is described as the Jumbo A-series, utilizing finishing techniques including hand-applied brushing and beveling on the stainless steel surfaces. The watch retains an early Audemars Piguet signed fliplock clasp component.

Frontal view of the Audemars Piguet Royal Oak 5402ST Jumbo A-Series
Frontal view of the Audemars Piguet Royal Oak 5402ST Jumbo A-Series — Oliver & Clarke. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
oliverandclarke.com
Category
Wristwatch · Self-winding wristwatch
Maker / attribution
Audemars Piguet
Reference
5402ST
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
circa 1974
Source-reported place
Switzerland

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 watch features a 39mm stainless steel case and matching integrated bracelet. The design incorporates a signature octagonal bezel held in place by eight hexagonal screws. The surface finish involves manual brushing, polishing, and beveling.

The dial is a grey micro-tappisserie texture, which is original to the reference. It includes applied, Tritium-filled hour indices and a date window located at the 3 o'clock position. The AP logo is positioned at the 6 o'clock mark, a feature identified in the source as the 'Logo at 6' dial configuration.

Evidence for this section
  • “all examples measure 39mm in diameter”
  • “The case and matching integrated bracelet remain exceptional overall condition, retaining clear and correct finishing throughout.”
  • “Inside, the grey 'micro-tappisserie' textured dial is beautifully preserved”
  • “The applied Tritium-filled indices exhibit an even patina throughout”

Signatures and Components

The object includes an early-style fliplock clasp component signed by Audemars Piguet. The watch is presented as an A-series example of the 5402 reference, which historically followed the original launch of the Royal Oak model designed by Gerald Genta in 1972.

The handset matches the dial indices, showing an even patina consistent with the age of the timepiece. The stainless steel case construction is treated as a primary feature of the design.

Evidence for this section
  • “this example retains its very early "Audemars Piguet" signed fliplock component on the clasp.”
  • “The applied Tritium-filled indices exhibit an even patina throughout and the correct handset matches perfectly.”

Condition

The auction description reports the watch is in exceptional condition. The case and integrated bracelet maintain their original finishing, with light signs of age and use, but no major blemishes or damage.

The dial surface is noted as being virtually flawless, with a consistent blue-grey color. The indices and handset are reported to have an even patina, suggesting original Tritium material is present.

Evidence for this section
  • “The case and matching integrated bracelet remain exceptional overall condition, retaining clear and correct finishing throughout.”
  • “It shows light wear from age and use with no major blemishes or damage to speak of.”
  • “Inside, the grey 'micro-tappisserie' textured dial is beautifully preserved — virtually flawless”

Open research questions

  • What is the specific serial number for this individual A-series piece?
  • Does the watch retain its original movement calibre as supplied in 1974?

Source evidence

Recorded claims and source quotations for Audemars Piguet Royal Oak Jumbo A-Series Ref. 5402ST
FieldSource-reported valueSource quotation
MakerAudemars Piguet“Audemars Piguet”
Reference5402ST“Reference 5402”
Diameter39mm“all examples measure 39mm in diameter”
Dial Patternmicro-tappisserie“grey 'micro-tappisserie' textured dial”
Datingcirca 1974“Dating to circa 1974”
Case Materialstainless steel“full stainless steel piece”
Claspsigned fliplock“retains its very early "Audemars Piguet" signed fliplock component on the clasp.”

Visible details

  • Grey 'micro-tappisserie' dial with applied logo at 6 o'clock
  • Date aperture displayed at 3 o'clock
  • Octagonal bezel with eight visible hexagonal screws
  • Integrated stainless steel bracelet with fliplock clasp

Research qualifications

  • The exact serial number is not provided in the source description.
  • The 'circa 1974' dating is an attribution provided by the vendor.

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

Consulted source

ساعت مچی Audemars Piguet Royal Oak Ref. 5402ST سری Jumbo A-Series

Reviewed 2026-11-02 · Record a29f90cb12

Terms in this record

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

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