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The Encyclopedia of Horology

Wristwatch · Tuning fork wristwatch

Omega Electronic f300Hz Chronometer Watch CD 198.001

Partially verified

According to the seller, this vintage 1970 Omega Electronic f300Hz Chronometer wristwatch carries reference CD 198.001. The timepiece is housed in a 36 mm 14K gold filled and stainless steel case with a screw back and signed crown. It is reportedly driven by the Omega caliber 1250 electronic tuning fork movement, based on the ESA 9162, operating at a frequency of 300Hz with 12 jewels and a quickset date complication. The analog champagne dial features baton hour markers, luminous accents, a date window at 3 o'clock, and a red Omega emblem below 12 o'clock, mounted on a matching metal bracelet.

Front view of the Omega Electronic f300Hz wristwatch showing champagne dial and bracelet
Front view of the Omega Electronic f300Hz wristwatch showing champagne dial and bracelet — Second Hand Horology. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
secondhandhorology.com
Category
Wristwatch · Tuning fork wristwatch
Maker / attribution
Omega
Reference
CD 198.001
Catalogue / lot identifier
WA-6819
Source-reported date
1970
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 External Construction

The watch is presented in a 36 mm round case constructed from 14K gold filled material with a stainless steel back. It features a signed crown and a screw back, which includes specified manufacturer and reference engravings.

The timepiece is paired with a multi-link bracelet described as having 14K gold filled top caps and stainless steel backing.

Evidence for this section
  • “Cased in a 36mm round 14K gold filled case and stainless steel case.”
  • “Case Back Markings: Omega Watch Co. - Fab. Suisse Swiss Made - Fond Acier Inoxidable - CD 198.001”
  • “coming with the original Omega 14K gold filled top caps and stainless steel back bracelet.”

Dial and Visual Features

The champagne-colored dial displays a red trapezoidal emblem below the 12 o'clock marker. It incorporates applied baton hour markers, with doubled indices at the 12, 6, and 9 o'clock positions. A framed date aperture is visible at the 3 o'clock position.

The dial features the text 'CHRONOMETER / OFFICIALLY CERTIFIED' above 6 o'clock and the 'T SWISS MADE T' designation at the base.

Evidence for this section
  • “Champagne dial marked 'OMEGA / ELECTRONIC / f 300' beneath a red trapezoidal emblem at 12 o'clock”
  • “Dial marked 'CHRONOMETER / OFFICIALLY CERTIFIED' above 6 o'clock and 'T SWISS MADE T' at the base”
  • “Date window showing '28' framed at the 3 o'clock position”

Mechanism and Technical Specifications

The timepiece is reported to house the Omega caliber 1250, an electronically controlled tuning fork movement based on the ESA 9162. This movement operates at a frequency of 300Hz and contains 12 jewels.

The mechanism is described as having a quickset date complication and an electrical hack feature, with licensing from Bulova.

Evidence for this section
  • “Powered by the original Omega electronically controlled tuning fork movement caliber 1250 (ESA 9162), featuring 12 jewels”
  • “Frequency: 300Hz”
  • “The movement is also Licensed Bulova PAT.”

Open research questions

  • Is the absence of 'Constellation' text on the dial consistent with the reference CD 198.001 specifications?
  • What specific case back markings verify the model's lineage beyond the reported reference number?

Source evidence

Recorded claims and source quotations for Omega Electronic f300Hz Chronometer Watch CD 198.001
FieldSource-reported valueSource quotation
ReferenceCD 198.001“reference CD 198.001”
CaliberOmega 1250 (ESA 9162)“Omega electronically controlled tuning fork movement caliber 1250 (ESA 9162)”
Case Size36 mm“Case Size: 36”
Case Material14K gold filled and stainless steel“14K gold filled and stainless steel”
Frequency300Hz“Frequency: 300Hz”
ReferenceCD 198.001“reference CD 198.001”
Max Wrist SizeApprox. 7 3/4" (19.7cm)“Max Wrist Size: Approx. 7 3/4" (19.7cm)”

Visible details

  • Champagne dial marked 'OMEGA / ELECTRONIC / f 300' beneath a red trapezoidal emblem at 12 o'clock
  • Dial marked 'CHRONOMETER / OFFICIALLY CERTIFIED' above 6 o'clock and 'T SWISS MADE T' at the base
  • Applied baton hour markers with doubled indices at 12, 6, and 9 o'clock
  • Date window showing '28' framed at the 3 o'clock position
  • Yellow gold-tone case and multi-link bracelet displayed on a clear stand against a red background

Research qualifications

  • Internal caliber 1250 movement, reference engravings, and case back inscriptions are source-reported and not visible in the front photograph
  • The seller categorizes the model as a Constellation Chronometer, though 'Constellation' does not appear on the dial

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

Consulted source

1970 Omega Electronic f300Hz Chronometer Watch CD 198.001 Date Tunning – SECOND HAND HOROLOGY

Reviewed 2026-10-25 · Record 335fa31bc5

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

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