Vintage Omega Seamaster Cosmic DayDate Automatic 166.036 - 35mm - 1969

A Vintage Omega Seamaster Cosmic Day-Date from 1969, featuring a beautiful white “dusted / sparkle” dial with a day-date display at 3 o’clock, with weekdays shown in English. The dial is in beautiful condition, with tritium lume plots in perfect condition. The 35mm case, excluding crown, retains its original polish. Powered by a caliber 752 automatic movement, serviced in March 2026, running and functioning excellently. Paired with a black grade 3 leather strap with crocodile motif. Overall condition is beautiful.

 Year of production: 1969

 Serial number: 28.725.921

 Model / Reference number: 166.036

 Case dimensions.

  - Width excluding crown: 35mm

  - Width including crown: 38mm

  - Lug to lug: 38,5mm

  - Thickness: 11,5mm

 Lugs width: 19mm

 Strap: A grade III black leather strap with a crocodile motif. (Fits a 12 to 20cm wrist)

Total head-only weight: 38,7g

 Country of origin: Switzerland 

 Movement: Cal. 752 Automatic

 Service information: Movement serviced in March 2026. Runs and functions excellently. (~+/-0s/d, ~281amp, ~0.0ms b/e)

Internal code: BTW 1436