Omega Speedmaster Professional Moonwatch | Yellow Tritium Patina | ST 145.022

The Omega Speedmaster Professional Ref. ST 145.022 represents one of the most important generations of the iconic Moonwatch, combining the familiar 42mm stainless-steel case and manually wound chronograph layout with Omega’s long-running Calibre 861 movement. Introduced in 1968 as the successor to the Calibre 321-powered Speedmasters, the 145.022 became one of the defining vintage Speedmaster references of the following decades.

The standout feature of this example is its black tritium dial, with the luminous hour markers developing a warm yellow patina over time. The aged luminous material provides attractive contrast against the matte black dial while giving the watch the character collectors often look for in a vintage Speedmaster. White printed markings, three recessed chronograph registers, luminous hands, and the external tachymeter bezel complete the unmistakable Speedmaster Professional appearance. Tritium-equipped examples of the 145.022 are documented across the reference’s production history.

The combination of the vintage tritium dial, naturally developed yellow coloration, classic Moonwatch proportions, and Calibre 861 movement makes the ST 145.022 an especially appealing choice for collectors looking for a Speedmaster with noticeably more vintage character than a modern example.

Condition

Please review the photos carefully for an accurate representation. Light scratches, bracelet wear, bezel wear, crystal wear, or other signs of use consistent with age may be present and do not affect functionality. The watch presents well overall with expected wear for its age. The tritium luminous material on the dial has developed a noticeable yellow patina, giving this example a distinctive vintage appearance. Variations in tone and aging are expected on vintage luminous material.

Technical Data

• Reference: ST 145.022

• Model: Omega Speedmaster Professional Moonwatch

• Case Diameter: Approximately 42mm

• Case Material: Stainless Steel

• Bezel: Black Tachymeter Bezel

• Dial: Black Tritium Dial with Yellow Patina

• Hands: Luminous Chronograph and Timekeeping Hands

• Crystal: Hesalite / Plexiglass Crystal

• Movement: Omega Calibre 861 Manual-Winding Chronograph

• Power Reserve: Approximately 48 Hours

• Frequency: 21,600 Vibrations Per Hour

• Chronograph: Central Chronograph Seconds with 30-Minute and 12-Hour Counters

• Functions: Hours, Minutes, Small Seconds and Chronograph

• Water Resistance: Vintage watch; current water resistance not guaranteed