Vintage Omega Seamaster Cosmic 166.026 from 1970s


The Omega Seamaster Cosmic model line , first introduced in the 1970s, gave Omega a foothold into diving watches. This particular model, 166.026, is an iconic vintage watch for its C-shaped case design and champagne dial with black minute track. This black minute track design feauture might even be inspired by the famous exotic dials from Rolex’ Paul Newman watches.

The beautiful C-shaped case has a diameter of 35mm gold plated case with the sturdy cal 565 movement inside. On both the dial and the special pencil hands is no lume at all making this watch comepletely lume-free. The combination of these features make it one of the most sought after Omega Seamaster Cosmics from the 70s era. With a C-shape case that follows the natural contour of the wrist, this timepiece is not only aesthetic but wearable and durable as well.

Overall, this Omega Seamaster Cosmic model 166.026 from the 1970s is in exceptional condition with a flawless dial and a thick layer of gold plating on the case. We are happy to offer special pieces like this and hope it will be worn by a new owner for a long time!


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Additional information





Case Diameter

35 mm

Case Material

Gold Plated

Dial Color


Movement Type




Time Period



Factory Original