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The Encyclopedia of Horology

Wristwatch · Self-winding wristwatch with date

Omega Constellation Ref. 7190

Partially verified

This Omega Constellation wristwatch, referenced as 7190, was produced during the 1960s. The watch features an 18K yellow gold construction, including a two-body case that is both polished and brushed, and an integral textured 18K yellow gold bracelet. It is a self-winding, center-seconds chronometer with an officially certified movement. The dial is brushed champagne with applied gold and black baton indexes, complemented by gold-rimmed date aperture, applied gold Omega logo, and an applied gold star at the 6 o'clock position. The timepiece houses the copper-colored Caliber 564 movement, which features 24 jewels, a straight-line lever escapement, and a swan-neck micrometer regulator. The balance is monometallic and adjusted to five positions and temperature. The watch measures 35 mm in diameter and 11 mm in thickness, with the dial, case, and movement signed by the manufacturer.

Front view of the Omega Constellation showing the champagne dial and integral gold bracelet.
Front view of the Omega Constellation showing the champagne dial and integral gold bracelet. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Self-winding wristwatch with date
Maker / attribution
Omega
Reference
7190
Catalogue / lot identifier
91
Source-reported date
1960s
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 two-body, 18K yellow gold case that utilizes both polished and brushed finishing techniques. The case back is screwed-down and displays the Constellation logo. Attached to the case is an integral textured 18K yellow gold bracelet, contributing to the overall aesthetic of the piece.

The dial is finished in brushed champagne and incorporates applied gold and black baton indexes for hour markers. Minute and seconds divisions are located on the inner edge of the dial. Additional features include an applied gold Omega symbol positioned at 12 o'clock, an applied gold star at 6 o'clock, and a date aperture framed in gold. The hands are yellow gold dauphine style with black center inserts.

Evidence for this section
  • “Two-body, solid, polished and brushed, screwed-down case back with Constellation logo.”
  • “Brushed champagne with applied gold and black baton indexes, inner minute/seconds divisions, applied gold Omega symbol at 12 and applied gold star at 6, gold-rimmed date aperture.”

Movement and Escapement

The timepiece is powered by the Omega Caliber 564 movement, which is finished in a copper-colored tone. It utilizes a straight-line lever escapement and includes 24 jewels. The balance assembly features a shock absorber and a self-compensating flat balance spring.

Regulation is achieved through a swan-neck micrometer regulator. The movement is monometallic and has been adjusted to five positions and temperature, reflecting its status as an officially certified chronometer. The auction description lists the movement condition as grade 3, noting that repair is required.

Evidence for this section
  • “M. Cal. 564, copper-colored, 24 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions and temperature, shock absorber, self-compensating flat balance spring, swan-neck micrometer regulator.”
  • “Movement: 3** Good Repair required, at buyer's expense”

Signatures and Grading

The manufacturer has signed the watch on the dial, the case, and the movement. The item was offered as part of a lot featuring various owners. The auction house provided a grading system for the object, assigning it an overall grade of AA.

Specific component grades were provided in the listing as well. The case is graded as 3, the movement as 3, and the dial as 3-01. The hands are noted as being original to the timepiece.

Evidence for this section
  • “Dial, case and movement signed.”
  • “Grading System Grade: AA Very good Case: 3 Good Movement: 3** Good Repair required, at buyer's expense Dial: 3-01 Good HANDS Original”

Open research questions

  • What is the specific production year of this Caliber 564 movement within the 1960s?
  • Are the movement repairs minor or do they necessitate replacement parts that might not be available?

Source evidence

Recorded claims and source quotations for Omega Constellation Ref. 7190
FieldSource-reported valueSource quotation
MakerOmega“Omega, 'Constellation, Automatic Chronometer, Officially Certified'”
Reference7190“Ref. 7190”
Date1960s“Made in the 1960s.”
MovementCaliber 564“M. Cal. 564, copper-colored, 24 jewels”
Case dimensions35 mm diameter, 11 mm thickness“Diam. 35 mm. Thickness 11 mm.”
Movement adjustment5 positions and temperature“monometallic balance adjusted to 5 positions and temperature”
Case construction18K yellow gold“18K yellow gold wristwatch with date and an integral textured 18K yellow gold Omega bracelet.”

Visible details

  • Champagne dial with baton markers
  • Integral textured yellow gold bracelet
  • Gold dauphine hands with black inlay
  • Constellation logo present on case back

Research qualifications

  • The auction description states 'Repair required, at buyer's expense' for the movement
  • Movement grading is 3** which is described as 'Good' but requires potential service

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

Consulted source

Yellow Gold Constellation Omega, 'Constellation, Automatic Chronometer, Officially Certified', Ref. 7190. Made in the 1960s. Very fine and rare, center seconds, self-winding, water-resistant, 18K yellow gold wristwatch with date and an integral textured 18K yellow gold Omega bracelet.

Reviewed 2026-10-26 · Record 1ff8c9c279

Terms in this record

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

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