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The Encyclopedia of Horology

Wristwatch · Chronograph wristwatch

Omega Speedmaster Professional Chronograph Wristwatch Reference 145.022-76

Partially verified

This Omega Speedmaster Professional chronograph wristwatch, identified by reference 145.022-76, dates to 1977 and is constructed from stainless steel. It is powered by the manual-wind calibre 861 movement. The 42mm case is fitted with a stainless steel bracelet. The black matt dial features luminous painted baton indexes and an outer minute/seconds track, complemented by outermost 1/5 second divisions. The chronograph layout includes a subsidiary seconds register at 9 o'clock, a 30-minute register at 3 o'clock, and a 12-hour register at 6 o'clock. The hands are luminous batons, with an arrowhead centre chronograph seconds hand. A tachymetre bezel encircles the dial. The watch is accompanied by an Extract from the Archives as part of its provenance and documentation.

Front view of the Omega Speedmaster Professional, reference 145.022-76, featuring a black dial with three chronograph sub-dials and a stainless steel tachymetre bezel.
Front view of the Omega Speedmaster Professional, reference 145.022-76, featuring a black dial with three chronograph sub-dials and a stainless steel tachymetre bezel. — Somlo Antiques. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
somlo.com
Category
Wristwatch · Chronograph wristwatch
Maker / attribution
Omega
Reference
145.022-76
Catalogue / lot identifier
03141
Source-reported date
1977
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 42mm stainless steel case paired with a stainless steel bracelet. The dial is finished in black matt and is marked with luminous painted baton indexes. The periphery of the dial includes minute and seconds divisions, with an outermost track marked for 1/5 second intervals.

The chronograph functionality is displayed via three sub-dials: a subsidiary seconds register positioned at 9 o'clock, a 30-minute register at 3 o'clock, and a 12-hour register at 6 o'clock. The main timekeeping and chronograph functions are indicated by luminous baton hands, accompanied by an arrowhead centre chronograph seconds hand. A tachymetre bezel is mounted to the case.

Evidence for this section
  • “Black matt dial with luminous painted baton indexes, outer minute/seconds divisions, outermost 1/5 second divisions featuring subsidiary seconds at 9 o’clock, 30 minute register at 3 o’clock and 12 hour register at 6 o’clock with luminous baton hands, and arrowhead centre chronograph seconds”
  • “Case dimensions: 42mm”

Movement and Function

The watch is operated by the manual-wind calibre 861 movement. This calibre powers the chronograph complication, which enables the measurement of intervals through the central seconds hand and the three subsidiary registers.

The watch includes a tachymetre bezel, which allows for the measurement of speed over a fixed distance based on the chronograph function.

Evidence for this section
  • “Calibre: 861”
  • “Movement: Manual”
  • “Features/complications: Chronograph and Tachymetre bezel”

Provenance and Documentation

The watch is sold with an Extract from the Archives. This document serves as the primary formal record provided with the object, confirming its manufacture in 1977 as stated in the documentation.

The item is referenced by SKU 03141 and is categorized as a stainless steel Omega Speedmaster Professional chronograph wristwatch, falling within the lineage of the 145.022 reference series.

Evidence for this section
  • “Accessories: Extract from the Archives”
  • “Made: 1977”
  • “SKU: 03141”

Open research questions

  • What is the specific individual serial number for this movement?
  • Does the Extract from the Archives provide the exact date of production or sale in 1977?

Source evidence

Recorded claims and source quotations for Omega Speedmaster Professional Chronograph Wristwatch Reference 145.022-76
FieldSource-reported valueSource quotation
Reference145.022-76“145.022-76”
Year of Manufacture1977“Made 1977”
Movement TypeManual“Manual”
MaterialStainless steel“Stainless steel”
Dial ColorBlack“Black matt dial”

Visible details

  • Tachymetre scale on bezel
  • Luminous painted baton hour indexes
  • Three-register chronograph layout
  • Stainless steel link bracelet

Research qualifications

  • Movement condition not visible in provided photos
  • Specific serial number not provided in source text

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

Terms in this record

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