Now available at auction from Second Vintage
This 1978 Omega Seamaster immediately draws the eye with its pristine vertically brushed silver dial and classic tonneau case geometry. Highlighting the integrated design language of the late 1970s, this example retains exceptionally sharp transitions and a well-preserved original bracelet, offering a compelling blend of classic design and reliable mechanical performance.
Brand: Omega
Model: Seamaster
Reference Number: 166.0206 / 366.0842
Serial Number: 41314884
Movement: Automatic Omega Caliber 1010
Dial: Vertically brushed silver with applied baton indices
Case Size: 35mm (excluding the crown)
Case Material: Stainless Steel
Production Year: 1978
Condition: Excellent vintage condition. Timegrapher: -10s-12s/day, performing remarkably well.
Dial and Hands
The pristine and highly legible silver dial features a striking vertical brushed finish that catches the light beautifully. It is set with applied baton indices featuring black inserts, perfectly matched by the stick hands to create a cohesive and sharp aesthetic. The applied Omega logo sits proudly below twelve o'clock. The dial surface remains exceptionally clean, presenting no visible spotting, staining, or moisture damage. Lume plots appear intact at the base of the indices, and the luminous material is preserved on the hour and minute hands. A sweep center second hand completes the display, with the hands showing excellent preservation and no visible corrosion or oxidation.
Case and Crystal
The stainless steel tonneau-shaped case retains sharp and well-preserved original geometry, highlighting its classic integrated lug design. The upper surfaces display a strong brushed finish that contrasts cleanly with the polished case flanks and their sharp transitions. A polished smooth bezel ring frames the dial, exhibiting only light hairlines consistent with the rest of the case. Wear is limited to light superficial scratches consistent with careful wear, with no significant dents or deep dings visible. The signed Omega crown features well-defined knurled edges. The flat crystal remains clear, showing no significant scratches, chips, or crazing.
Movement
Inside is the automatic Omega caliber 1010, a 17-jewel movement displaying the brand's characteristic copper-toned plating of the era. The movement presents a clean appearance with no visible corrosion, oxidation, or significant scratches, while the rotor and bridges appear intact and well-finished. The caliber is correctly engraved with its reference and serial number. Timegrapher results show -10s-12s/day. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece.
Strap
The watch is fitted with its original signed integrated flat-link stainless steel bracelet, secured by a signed Omega clasp. The brushed finish perfectly matches the case, maintaining the period-correct integrated design in strong condition. It shows light surface wear but no severe stretching or deformation is visible. The bracelet accommodates a maximum wrist fit of up to 18cm.
Condition
Excellent vintage condition. The case maintains strong geometry with crisp transitions between the brushed and polished surfaces, showing only light superficial scratches. The vertically brushed silver dial is exceptionally clean and well-preserved, free from visible staining or moisture damage. The original integrated bracelet remains in strong condition with minimal stretch. Supported by the recorded timegrapher result, the movement is performing very strongly.
Dimensions
Case Size: 35mm (excluding the crown)
Remarks
A quintessential late-70s integrated Seamaster in exceptionally sharp condition. The combination of the pristine vertically brushed dial and the well-preserved tonneau case geometry makes this a highly attractive example for any enthusiast of 1970s Omega design.
History
The Omega Seamaster is one of the most enduring and respected model lines in horology, originally introduced in 1948 to celebrate the brand's centenary. By the late 1970s, watch design had embraced bold geometric shapes and integrated bracelets, reflecting the architectural trends of the decade. This era of the Seamaster highlights Omega's ability to adapt its classic sports watch into streamlined forms suitable for everyday wear. Powered by the reliable caliber 1000 series movements, these late-1970s examples represent a distinct period in Omega's design evolution, remaining highly wearable and appreciated by collectors today.
/ Second Vintage
SKU: OME-SAX-0005



















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Omega - Seamaster - No reserve price - 166.0206 / 366.0842 - Men - 1978
Omega • 1978
Auction Ended
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