Vintage Omega Seamaster Cosmic DayDate “Sparkle” dial 166.036 - 35mm - 1969

This vintage Omega Seamaster Cosmic, produced in 1969, features a 35mm C-shape case and a stunning “sparkle dial” known for its shimmering effect. It houses a caliber 752 automatic movement with a day-date function, displaying weekdays in English. The dial is in excellent condition, an important detail for a dial type of this kind. It comes on a brown calf leather strap with an alligator grain; aside from the strap, the watch remains fully original and in great condition.

 Year of production: 1969

 Serial number: 28.663.839

 Model number: 166.036

 Case dimensions.

  - Width excluding crown: 35mm

  - Width including crown: 38mm

  - Lug to lug: 38mm

  - Thickness: 10,1mm

 Lugs width: 19mm

 Strap: A brown calf leather strap with alligator grain. (Fits a 11,5 to 20,5cm wrist)

Total head-only weight: 38,7g

 Country of origin: Switzerland 

 Movement: Cal. 752 Automatic

 Service information: Movement overhauled in June 2025. Runs and functions well. (~-4s/d, ~243amp, ~0.0ms b/e)

Internal code: BTW 991