Vintage Omega Seamaster Cosmic Automatic Date 166.026 - 35mm - 1969

This vintage Omega Seamaster Cosmic was produced in 1969 and features the automatic Caliber 565 movement, overhauled in June 2026. It runs and functions great. The watch is in good overall condition with a striking white sunburst dial. The 35mm case adds a slightly sporty feel while maintaining a classic early ’70s vintage aesthetic. It comes on a dark brown calf leather strap with a crocodile grain design, making it an excellent choice for daily wear.

 Year of production: 1969

 Serial number: 29.384.648

 Model number: 166.026

 Case dimensions.

  - Width excluding crown: 35mm

  - Width including crown: 38mm

  - Lug to lug: 38mm

  - Thickness: 10,1mm

 Lugs width: 19mm

 Strap: A brown leather strap with crocodile grain. (Fits a 13 to 20cm wrist)

Total head-only weight: 36,7g

 Country of origin: Switzerland 

 Movement: Cal. 565 Automatic

 Service information: Movement overhauled in June 2026. Runs and functions well. (~+5s/d, ~251amp, ~0.3ms b/e)

Internal code: BTW 1627