Vintage Omega Seamaster Automatic 18k Solid Yellow Gold 166.0217 - 34,5mm - 1978

This beautiful 1978 Omega Seamaster is a timepiece featuring an 18-carat solid yellow gold case. Its golden sunburst dial is untouched.

Powered by the Caliber 1010 automatic movement, which was serviced in July 2025 to ensure excellent performance for years to come. The case remains in great condition, and the back has engraving, indicating it was gifted to an employee for 25 years of loyalty, quite a meaningful detail that adds character and history.

 Year of production: 1978

 Serial number: 42.380.589

 Model number: 166.0217

 Case dimensions.

  - Width excluding crown: 34,5mm

  - Width including crown: 37mm

  - Lug to lug: 40,5mm

  - Thickness: 10mm 

 Lugs width: 18mm

 Strap: A black grade III calf leather strap. (Fits a 12,5 to 20cm wrist)

Total head-only weight: 34,2g

 Country of origin: Switzerland 

 Movement: Cal. 1010 Automatic 

 Service information: Movement serviced in July 2025. Runs and functions excellently. (~-2s/d, ~289amp, ~0.1ms b/e)

Internal code: M 764