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The Encyclopedia of Horology

Wristwatch · Chronograph

Omega Speedmaster Chronograph Wristwatch, Ref. 145.022 78

Partially verified

This gentleman's stainless steel Omega Speedmaster chronograph wristwatch measures 40 mm in case diameter according to auction documentation. The watch features a black dial with luminous baton hour markers along with three subsidiary recording dials located at three, six, and nine o'clock. The catalog notes that the watch is powered by a signed manual-wind calibre 861 mechanical movement bearing serial number 44820474. The stainless steel caseback is reported as stamped ST145.022 78. As shown and documented, the timepiece is fitted to an unsigned black leather strap with a metallic pin buckle.

Omega Speedmaster chronograph wristwatch, reference 145.022 78
Omega Speedmaster chronograph wristwatch, reference 145.022 78 — Woolley and Wallis. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.woolleyandwallis.co.uk
Category
Wristwatch · Chronograph
Maker / attribution
Omega
Reference
145.022 78
Catalogue / lot identifier
1192
Source-reported date
Not established
Source-reported place
Not established
Source-reported serial
44820474

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 External Configuration

The timepiece is described as a stainless steel Speedmaster chronograph. The dial is black, featuring luminous baton hour markers and an external tachymeter bezel. Subsidiary recording dials are located at the three, six, and nine o'clock positions.

The case features chronograph pushers flanking the winding crown. The watch is mounted on an unsigned black leather strap with a pin buckle.

Evidence for this section
  • “stainless steel Speedmaster chronograph wrist watch reference 145.022 78”
  • “black dial with luminous baton hour markers, subsidiary recording dials to three, six and nine.”
  • “fitted to an unsigned black leather strap with pin buckle.”

Mechanism and Internal Markings

The watch is powered by a signed manual wind calibre 861 movement, which the source identifies by serial number 44820474. The movement is not visible in the provided photographic evidence.

The stainless steel caseback is reported as stamped ST145.022 78. Interior caseback markings are not recorded in this source.

Evidence for this section
  • “Signed manual wind calibre 861 serial 44820474”
  • “caseback stamped ST145.022 78”

Source and Documentation Limitations

The specifications provided rely on auction catalog documentation. The source provides the reference 145.022 78; however, a specific year of manufacture is not stated in the text.

Verification of the internal movement serial number and the caseback interior remains limited to the catalog description as these are not visible in the image.

Evidence for this section
  • “reference 145.022 78”

Open research questions

  • What is the significance of the '78' suffix in the reference number regarding production chronology?
  • What is the condition of the movement components not shown in the source imagery?

Source evidence

Recorded claims and source quotations for Omega Speedmaster Chronograph Wristwatch, Ref. 145.022 78
FieldSource-reported valueSource quotation
Reference145.022 78“reference 145.022 78”
Calibre861“Signed manual wind calibre 861”
Movement Serial44820474“serial 44820474”
Caseback StampingST145.022 78“caseback stamped ST145.022 78”
StrapUnsigned black leather strap with pin buckle“fitted to an unsigned black leather strap with pin buckle”

Visible details

  • Black dial with luminous baton hour markers and three subsidiary dials at 3, 6, and 9 o'clock
  • External black tachymeter bezel surrounding the circular dial
  • Chronograph pushers flanking the winding crown on the right side of the case
  • Mounted on an unsigned black leather strap secured with a standard pin buckle

Research qualifications

  • Internal movement caliber 861 and serial number are not visible in the photograph and rely entirely on catalog description
  • Caseback interior markings are not shown in the image
  • Specific year of manufacture is not stated, though reference suffix reads '78'

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

Consulted source

Omega - a gentleman's stainless steel speedmaster chronograph wrist watch reference 145.022 78 | Woolley and Wallis

Reviewed 2026-10-21 · Record 61a2cfdb98

Terms in this record

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

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