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The Encyclopedia of Horology

Wristwatch · Chronograph

Omega Chronograph Wristwatch, Calibre 321

Partially verified

This vintage men's chronograph wristwatch by Omega features a round steel case fitted with two rectangular pushers and a fluted crown. According to the auction listing, the watch dates to 1944–1945 and houses an Omega 321 calibre movement described as recently overhauled. The patinated dial displays Arabic numeral hour markers, three engine-turned subsidiary dials at 3, 6, and 9 o'clock, an outer tachymeter scale, and the printed Omega brand logo below 12 o'clock. The watch is presented on a brown textured leather strap with matching stitching.

Front view of the Omega chronograph wristwatch showing dial, steel case, and leather strap
Front view of the Omega chronograph wristwatch showing dial, steel case, and leather strap — Catawiki. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.catawiki.com
Category
Wristwatch · Chronograph
Maker / attribution
Omega
Reference
Not recorded
Catalogue / lot identifier
27449091
Source-reported date
1944-1945
Source-reported place
Not established

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 Exterior Construction

The timepiece features a round steel case equipped with two rectangular pushers situated around a fluted crown. It is mounted on a brown leather strap displaying an alligator-style grain.

The listing describes the lot as a men's chronograph watch featuring a "steel case".

Evidence for this section
  • “Round steel case with rectangular pushers flanking a fluted crown.”
  • “Mounted on a brown alligator-grain leather strap.”
  • “steel case”

Dial Configuration

The watch is fitted with an aged, patinated dial displaying Arabic numerals alongside an outer tachymeter track. Three subsidiary dials are positioned at 3, 6, and 9 o'clock, each detailed with concentric circular graining.

The dial features standard chronograph indications across the three sub-dials. Additional markings or internal reference stamps are not recorded in this source.

Evidence for this section
  • “Aged, patinated dial displaying Arabic numerals and outer tachymeter track.”
  • “Three sub-dials positioned at 3, 6, and 9 o'clock featuring concentric circular graining.”

Reported Movement and Dating Limitations

The auction listing title designates the watch as an "Omega - chrono 1944/45 steel case, Omega 321 caliber exc+++ just overhauled". Calibre 321 mechanical specifications and overhaul status represent seller-reported claims that cannot be visually corroborated from the provided dial-side photograph.

Specific case reference numbers and movement serial numbers are not recorded in the source text, precluding independent confirmation of the 1944/45 production timeframe.

Evidence for this section
  • “Omega - chrono 1944/45 steel case, Omega 321 caliber exc+++ just overhauled - Men - 1901-1949”
  • “Omega 321 caliber”
  • “just overhauled”
  • “1944/45”

Open research questions

  • What case reference number is stamped inside the case back?
  • What is the serial number stamped on the movement to verify the reported 1944/45 production date?
  • Does the movement bridge carry the Omega Calibre 321 stamping or an earlier caliber designation such as 27 CHRO C12?

Source evidence

Recorded claims and source quotations for Omega Chronograph Wristwatch, Calibre 321
FieldSource-reported valueSource quotation
MakerOmega“Omega - chrono 1944/45 steel case, Omega 321 caliber exc+++ just overhauled - Men - 1901-1949”
CalibreOmega 321“Omega 321 caliber”
Case MaterialSteel“steel case”
Lot Number27449091“No. 27449091”
Estimated Date1944/45“1944/45”
Listing Category Period1901-1949“1901-1949”
Seller Condition Claimexc+++ just overhauled“exc+++ just overhauled”

Visible details

  • Aged, patinated dial displaying Arabic numerals and outer tachymeter track.
  • Three sub-dials positioned at 3, 6, and 9 o'clock featuring concentric circular graining.
  • Round steel case with rectangular pushers flanking a fluted crown.
  • Mounted on a brown alligator-grain leather strap.

Research qualifications

  • Calibre 321 movement and overhaul status are reported by the source and cannot be confirmed from the dial-side photograph.
  • Specific case reference and movement serial numbers are not provided in the source text.

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

Consulted source

Watches for Sale in Online Auctions - Catawiki

Reviewed 2026-10-21 · Record 5e5db31045

Terms in this record

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