Omega Speedmaster professional with flatlink bracelet reference 145.012 from 1968

 9.250

The last Speedmaster reference to house Omega’s legendary Calibre 321, the 145.012-67 occupies a vital threshold in both horological and spacefaring history. Issued in 1967, this example is emblematic of the era that predated the Moon landing—but carried every ounce of the mechanical pedigree that would go to the lunar surface. On the wrist, the presence is unmistakable: the straight-across stepped dial, applied logo, wide-spaced tritium markers, and the original DON (dot over ninety) bezel all tell the story of a reference that stayed faithful to its utilitarian roots.

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Description

This piece is fitted with a period-correct Omega 1039 flat link bracelet, stamped 3/68, complete with original No. 516 end links. The bracelet wears light and articulate—true to the vintage Speedmaster experience—while the overall watch condition reflects preservation over restoration. The pushers are the taller type, specific to this reference, and the case edges retain defined transitions, suggesting it hasn’t undergone aggressive polishing. The hesalite crystal bears the correct Omega logo etching and reveals a dial that has aged gracefully, with creamy tritium plots and hands that match in tone.

Behind the solid caseback beats the revered column-wheel calibre 321, a movement that remains one of the most celebrated manually wound chronograph calibres of the 20th century. As noted in the Moonwatch Only archives, the 145.012 was the reference worn by astronaut Michael Collins on Apollo 11—a fact that underlines its collectibility.

For collectors, the 145.012-67 offers a perfect trifecta: last of the Cal. 321 era, full adherence to period specifications, and a visual language that remains utterly timeless. With its flat link bracelet, untouched case architecture, and correct tritium dial, this is a piece that would hold its own in any serious Speedmaster collection—and may well be the most accessible gateway into Omega’s golden chronograph years.

What we love:

  • Beautiful dial
  • All period correct
  • Great example

What you should know:

  • Unless otherwise stated, it is common for vintage watches to not come with box and papers. In the rare example that a watch does come with box and papers it will be mentioned in the description. All purchases come with a bespoke black wooden watch box and warranty card.

Additional information

Brand

Omega

Caliber

321

Case Diameter

42mm

Case Material

Stainless Steel

Dial Color

Black

Movement Type

Manual

Time Period

1960-1969

Dial

Factory Original