Constellation f300Hz

Offered for sale is this distinctive Omega Constellation Electronic F300Hz Chronometer, reference 198.002, dating to the early 1970s. A fascinating example of Omega's electronic watchmaking, this Constellation combines a substantial gold-tone case, an elegant champagne dial and the innovative calibre 1250 tuning-fork movement.

The watch features a beautiful two-tone champagne dial with applied gold-tone baton hour markers, contrasting black and gold hands and a central seconds hand. The dial is distinguished by its Constellation Chronometer lettering, the Omega Electronic F300Hz designation and the characteristic Omega logo set against a burgundy background at 12 o'clock. A framed date window at 3 o'clock completes the design, offering practical functionality while maintaining the watch's balanced vintage appearance.

Inside is the Omega calibre 1250, a 12-jewel electronic tuning-fork movement based on the ESA 9162. Unlike conventional mechanical or quartz movements, this battery-powered calibre uses a tuning fork vibrating at 300 Hz to regulate timekeeping, producing a distinctive humming sound and an exceptionally smooth seconds-hand movement. The movement is functioning correctly, with a smooth-sweeping seconds hand and a date mechanism that advances as intended.

The substantial 38 mm case, measuring 40 mm including the crown, features a warm gold-tone finish and a distinctive tonneau-shaped design with broad, sculpted lugs. The stainless-steel screw-down caseback is decorated with Omega's iconic Constellation observatory medallion. The watch is fitted with a new black Hirsch leather strap, providing a comfortable fit and an elegant contrast to the gold-tone case.

Highlights

• Omega Constellation Electronic F300Hz Chronometer
• Reference: 198.002
• Approximately 1972
• Omega calibre 1250 electronic tuning-fork movement
• 12 jewels, based on the ESA 9162
• 300 Hz tuning-fork frequency
• Fully functioning movement, with smooth-sweeping seconds hand
• Date mechanism functioning correctly
• Two-tone champagne dial with applied gold-tone markers
• Distinctive burgundy Omega logo at 12 o'clock
• Date display at 3 o'clock
• Gold-tone tonneau-shaped case
• Stainless-steel screw-down caseback with Constellation observatory emblem
• 38 mm case diameter, excluding crown
• 40 mm diameter, including crown
• New black Hirsch leather strap

Condition and delivery

The watch is in good vintage condition, displaying normal signs of age and use consistent with a timepiece from the 1970s. The gold-tone case shows surface scratches and general wear, particularly around the bezel and lugs, while retaining its attractive overall appearance. The dial presents well, with light age-related marks and patina visible upon closer inspection.

The electronic tuning-fork movement is functioning correctly. The seconds hand sweeps smoothly, and the date changes as intended. Please review the photographs carefully for an accurate impression of the watch's cosmetic condition.

The watch is offered with a new black Hirsch leather strap. The original box and papers are not included. You will receive the watch in a generic but sturdy watch box, as shown in the images.

A distinctive vintage Omega Constellation, offering the elegant design of the 1970s alongside one of Omega's most interesting electronic movements. An appealing choice for collectors and enthusiasts who appreciate the history and character of tuning-fork watches.

For further information or additional photographs, please feel free to contact us.