Omega Seamaster Cosmic 166.026 (1960-1969)

Now available at auction from Second Vintage A remarkably clean example of the classic Seamaster Cosmic, this timepiece stands out through its excellent state of preservation. The pristine silver sunburst dial features crisp printing that draws the eye, while the sharp tonneau case geometry retains its distinct brushed and polished finishes. Complete with clear, deep caseback engravings and its signed Omega crown, it represents a highly attractive vintage find. Brand: Omega Model: Seamaster Cosmic Reference Number: 166.026 Movement: Automatic Dial: Silver sunburst with black printing and applied indices Case Size: 35 mm (excluding the crown) Case Material: Stainless steel Production Year: 1960s Condition: Excellent vintage condition. Timegrapher: +8-10s/day, performing remarkably well. Dial and Hands The dial remains in pristine condition, showcasing a clean silver sunburst finish free of visible spotting, staining, or moisture damage. Crisp black printing complements the applied indices, which feature intact black inserts for excellent contrast. The black baton hands are in excellent condition, displaying a clean finish with no visible corrosion or paint loss. A straight and clean sweep seconds hand completes the highly legible and well-preserved display. Case and Crystal The crisp and well-preserved stainless steel case features sharp tonneau geometry with an integrated design that omits a traditional bezel. The front face retains a well-preserved brushed sunburst finish, while the polished flanks show light, honest handling scratches consistent with careful wear. The caseback displays clear engravings, prominently featuring the Seamaster Seahorse logo and the reference number. The watch is fitted with its signed Omega crown, showing light wear on its knurled edge, and a domed acrylic crystal that remains clear with no significant scratches or crazing visible. Movement This reference is powered by an automatic movement, historically utilizing Omega's caliber 562 or 565. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. The timegrapher records a rate of +8-10s/day. Strap The watch is paired with a brown leather strap featuring a crocodile pattern. It is in used condition, showing moderate wear and creasing. Condition Excellent vintage condition. The dial and hands are pristine, showing no visible moisture damage or paint loss. The stainless steel case is crisp and well-preserved, retaining sharp geometry and clear caseback engravings alongside light handling scratches on the polished flanks. The leather strap shows moderate wear. Supported by the recorded timegrapher result, the automatic movement is performing very strongly. Dimensions The case measures 35 mm in diameter, excluding the crown. Remarks This Seamaster Cosmic recommends itself through its sharp tonneau case and pristine silver sunburst dial. The strong timegrapher performance and clear Seahorse caseback engraving make it a highly attractive, ready-to-wear vintage Omega. History The Omega Seamaster Cosmic reference 166.026 was introduced in 1967 and remained in production until approximately 1970. This distinct model line represented Omega's embrace of late-1960s design language. Reference 166.026 is historically powered by Omega's automatic calibers 562 or 565, which include a date complication. The caliber 565 movement features a quick-set date function that is activated by pulling the crown to its outer position, a practical innovation of the era. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and securely packaged, then shipped with tracking and insurance for your peace of mind. We use fast express shipping, with typical delivery within 1–4 business days, depending on the destination. Please note that vintage watches may show minor signs of wear, aging, or imperfections, which are considered normal for watches of this age. We kindly ask you to review all photos carefully before bidding. We photograph each watch from multiple angles to provide the most accurate representation possible, and the photos form an important part of the description. The timegrapher assessment if provided is seen as an indication of the movement’s condition under fully wound testing conditions. As with all vintage watches, results may vary in daily use. If you have any concerns regarding functionality or defects after delivery, please contact us within 3 days of receiving the watch so we can assist you. As with all used watches, water resistance is not guaranteed. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: OME-SCX-0008