Omega 145.022-71 ST Vintage Speedmaster SS 1974 (29489)

29489 Omega 145.022-71 ST Speedmaster 145 022 71 ST 145022, stainless steel "HF" case on a strap with an Omega steel tang buckle, manual wind Omega caliber 861 movement, chronograph, original tachymeter bezel, 32 mil serial (1970), original black dial is in excellent condition and still has the original lume present, nicely matching original hands, omega logo is still present in the center of the crystal, diameter: 42mm, thickness: 14mm, Excellent Overall Condition and Comes with European Watch Co Pouch and Omega Extract from the Archives showing delivery in Purtugal in 2/1974 and confirming the watch originally came on a strap.


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More about Omega 145.022-71 ST Vintage Speedmaster SS 1974

This is a 1971 stainless steel Omega Speedmaster 145.022-71 ST. It has a leather strap, a stainless steel Omega tang buckle, and an Omega acrylic crystal. It has a screw-down solid case back with a dust cap, and the Speedmaster logo, engraved with the words: "Flight qualified by NASA for all manned space missions and "The first watch worn on the moon." The 42mm diameter solid three-body case, integral lugs, and bracelet are polished/brushed. The dial is black with applied luminous baton hour markers, and a minute/second track with 1/5 seconds divisions. It has aged white baton hands, a center chronograph hand, and an outer tachymeter on the black bezel to 500 units per hour. There is a constant small seconds subsidiary dial at the 9 o'clock position, a 12-hour register at 6 o'clock, and a 30-minute sub dial at 3 o'clock. It's water resistant to 100 meters/330 feet, and the 14mm thick case, dial, and movement are all signed.

The mechanical manual winding Omega caliber 861 movement is rose gold plated, with a shock absorber mechanism. It's constructed with 17 jewels, a straight-line lever escapement, and a monometallic balance that's adjusted for temperature and 5 positions. It includes a self-compensating flat balance spring, and an index regulator.