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The Encyclopedia of Horology

Wristwatch · Automatic wristwatch

Audemars Piguet Steel Automatic Watch with Caliber 2120 Movement

Partially verified

This is a vintage Audemars Piguet wristwatch reported by the source to date from the 1960s and housed in a 34 mm steel case. The watch features a silver-toned dial with baton hour indices, central hour and minute hands, and text reading 'AUDEMARS PIGUET GENÈVE', 'Automatic', and 'SWISS'. The seller reports the self-winding mechanism to be caliber 2120. The timepiece is fitted with a woven mesh steel bracelet, described by the retailer as adjustable with a signed clasp measuring 227 mm.

Audemars Piguet steel automatic wristwatch with silver dial and mesh steel bracelet
Audemars Piguet steel automatic wristwatch with silver dial and mesh steel bracelet — The Keystone Watches. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
thekeystone.com
Category
Wristwatch · Automatic wristwatch
Maker / attribution
Audemars Piguet
Reference
Cal. 2120
Catalogue / lot identifier
206976
Source-reported date
1960s
Country
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 Bracelet Construction

The timepiece features a steel case reported by the retailer to measure 34 mm in diameter. Visible external features include straight lugs and a fluted winding crown situated at the 3 o'clock position on the case flank.

A woven mesh metal bracelet is fitted between the lugs. The retailer describes this as an 'Adjustable Steel Bracelet with Signed Clasp (227mm)', though internal construction and clasp markings are not recorded or visible in the primary presentation view.

Evidence for this section
  • “Material : Steel”
  • “Dimensions : 34 mm”
  • “Bracelet/Strap : Adjustable Steel Bracelet with Signed Clasp (227mm)”
  • “Fluted winding crown positioned at 3 o'clock on the case flank.”
  • “Woven mesh metal bracelet fitted between straight lugs.”

Dial Presentation and Inscriptions

The watch features a light-colored silver dial configured with slender baton hour markers and central baton hands. The retailer notes the dial color as silver.

Three distinct textual markings appear on the dial surface: centered beneath the 12 o'clock marker is 'AUDEMARS PIGUET GENÈVE', cursive script reading 'Automatic' is positioned above the 6 o'clock index, and 'SWISS' is marked along the bottom edge.

Evidence for this section
  • “Dial Color : Silver”
  • “Light-colored silver dial with slender baton hour markers and central baton hands.”
  • “Dial signed 'AUDEMARS PIGUET GENÈVE' below 12 o'clock, 'Automatic' in script above 6 o'clock, and 'SWISS' at the bottom edge.”

Mechanism and Retailer Specifications

The internal mechanism is described in seller specifications as a self-winding movement, with the listing title noting a 'Caliber 2120 Movement'. The year of production is cited by the retailer as the 1960s. Neither the movement nor any serial stampings are visible in the provided image.

The listing provides 'Cal. 2120' in the reference field, which identifies a movement caliber designation rather than a standard model or case reference number. Physical inspection of the movement and case interior would be required to verify internal caliber signatures and exact reference data.

Evidence for this section
  • “Audemars Piguet Steel Automatic Watch with Caliber 2120 Movement”
  • “Reference : Cal. 2120”
  • “Watch Movement : Self-Winding”
  • “Year : 1960s”

Open research questions

  • What specific case reference number and serial number are stamped on the inner or outer caseback?
  • Does the movement bear Audemars Piguet caliber 2120 markings, finishing, and an individual movement number?
  • What markings and maker signatures appear on the reported 227 mm adjustable clasp?

Source evidence

Recorded claims and source quotations for Audemars Piguet Steel Automatic Watch with Caliber 2120 Movement
FieldSource-reported valueSource quotation
MakerAudemars Piguet“Brand : Audemars Piguet”
ReferenceCal. 2120“Reference : Cal. 2120”
Year1960s“Year : 1960s”
MaterialSteel“Material : Steel”
Dimensions34 mm“Dimensions : 34 mm”
MovementSelf-Winding“Watch Movement : Self-Winding”
BraceletAdjustable Steel Bracelet with Signed Clasp (227mm)“Bracelet/Strap : Adjustable Steel Bracelet with Signed Clasp (227mm)”
SKU206976“SKU : 206976”
InclusionsWatch Only“Box/Paper : Watch Only”
Reported ModelVintage“Model : Vintage”

Visible details

  • Light-colored silver dial with slender baton hour markers and central baton hands.
  • Dial signed 'AUDEMARS PIGUET GENÈVE' below 12 o'clock, 'Automatic' in script above 6 o'clock, and 'SWISS' at the bottom edge.
  • Woven mesh metal bracelet fitted between straight lugs.
  • Fluted winding crown positioned at 3 o'clock on the case flank.

Research qualifications

  • The source cites 'Cal. 2120' in the reference field, which identifies the movement caliber rather than a case reference number.
  • The movement, inner caseback, and clasp are not visible in the provided image.
  • Dating to the 1960s and movement specifications rely on seller reporting.

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

Consulted source

Audemars Piguet Vintage Cal. 2120 Steel – The Keystone Watches

Reviewed 2026-10-21 · Record a3a1323f45

Terms in this record

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

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