SKU: 30085577376

Omega Speedmaster Professional Pre-Moon DON Bezel Caliber 321 Ref. 105.012-66 CB Case from 1966

Sale price$3870.00 Regular price$4300.00
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Description

Omega Speedmaster Professional Pre-Moon DON Bezel Caliber 321 Ref. 105.012-66 CB Case from 1966Omega Speedmaster Professional Pre Moon Ref. 105. 012 66 DON Bezel Caliber 321 Iconic 1966 Moonwatch Heritage We are proud to present this outstanding example of horological historythe Omega Speedmaster Professional Ref. 105. 012 66, featuring the revered Caliber 321 and original "Dot Over Ninety" (DON) bezel. As the reference worn by astronauts during NASAs Apollo missions, this Pre Moon Speedmaster is one of the most historically significant

Omega Speedmaster Professional Pre-Moon – Ref. 105.012-66 – DON Bezel – Caliber 321 – Iconic 1966 Moonwatch Heritage

We are proud to present this outstanding example of horological history—the Omega Speedmaster Professional Ref. 105.012-66, featuring the revered Caliber 321 and original "Dot Over Ninety" (DON) bezel. As the reference worn by astronauts during NASA’s Apollo missions, this Pre-Moon Speedmaster is one of the most historically significant chronographs ever produced.

A True Collector’s Omega – Pre-Moon, Pre-Legend

This reference 105.012-66 is a cornerstone of the Speedmaster lineage. Produced in 1966, it features the larger 42mm asymmetrical case, twisted lyre lugs, and the original “Professional” dial layout introduced for astronauts. It is powered by the legendary manually wound Caliber 321, the same column-wheel chronograph movement used in the Moon-landing Speedmasters.

This is the exact reference worn on the wrists of astronauts such as Buzz Aldrin during Apollo 11. Its design and components are iconic—the stepped matte black dial, warm aged tritium lume, and the elusive DON bezel all reflect the golden age of Omega tool-watch craftsmanship.

Condition & Features

Dial: Original matte stepped dial in deep black, untouched with rich, creamy tritium hour markers and matching hands. “T SWISS MADE T” at 6 o’clock confirming tritium usage. This is a textbook example of Omega's 1960s professional chronograph dials.

Case: 42mm stainless steel asymmetric “lyre” lug case, correct for this reference. This example is particularly rare as it was manufactured by La Centrale Boîtes (CB), one of Omega’s contracted case makers alongside Huguenin Frères. Cases produced by CB are estimated to make up two-thirds of all 105.012-66 production, and are identifiable by their flatter lug profile and more subtle transition step on the lug bevel—making them highly sought-after among collectors.

Bezel: Rare original "Dot Over Ninety" (DON) tachymeter bezel in excellent vintage condition—highly sought after by collectors for its pre-moon configuration and historical accuracy.

Crystal: Omega signed hesalite plexiglass with embedded Omega logo.

Movement: Omega Caliber 321 manual-wind chronograph, just serviced by a master watchmaker. A movement celebrated for its complexity, precision, and history—column wheel controlled and rhodium-plated. Running smoothly and offered with a 12-month mechanical warranty.

Crown: Correct original Omega crown.

Strap: Hand-crafted premium leather strap made in Belgium, custom-fitted and true to the Speedmaster’s rugged elegance.

Buckle: Omega stainless steel buckle, period correct.

Reference: 105.012-66
Serial Number: In correct range for 1966 case production

Why Collect This Watch?

This 1966 Omega Speedmaster Professional 105.012-66 is more than a watch—it’s a piece of lunar-era history. With its Cal. 321 movement, original DON bezel, stepped tritium dial, and rare CB-case lyre lugs, it offers authenticity, rarity, and narrative in equal measure.

Whether you’re a seasoned Speedmaster enthusiast or a new collector seeking one of the most respected tool watches in horology, this is a blue-chip investment. It captures the essence of Omega’s commitment to exploration and endurance, before the Moon missions made the Speedmaster an icon.

A real collector’s treasure—powerful, storied, and visually arresting.

Please don’t hesitate to inquire for additional details or to secure this exceptional Speedmaster.

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Exchange/Return Notes
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SKU: 30085577376

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Benji Gulf Coast
Belleville, US
★★★★★ 3
Great for a costume, but not for every day
Color: White, Size: Medium
I'm not sure what I was really expecting, but these pants made me feel like I was in the song zoot suit riot and/or Dick Tracy was trying to find me. They honestly just feel very costume-ish as opposed to being something dressy. I couldn't see myself wearing these to a job interview, which is kind of my standard for what qualifies as "dress clothes." However, they do fit quite well in the waist the and down the leg. I have a wide variety of clothing options, but I even find it difficult to pair anything with these pants.
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Reviewed in the United States on November 26, 2025
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Clark
Louisville, US
★★★★★ 5
The pinstripes
Color: Black, Size: Medium
Love the style!
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Reviewed in the United States on August 11, 2025
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JB in NYC
Carnegie, US
★★★★★ 5
Lightweight Fabric with a Bit of Stretch
Color: Black, Size: Medium, Color: Black, Size: Medium
I'm a fan of any fabric that has a small percentage of Spandex in the blend -- like these pants. (Along with mostly polyester and viscose.) It's not noticeably stretchy but the comfort is there. The fabric is very light and smooth -- and the stripes make a nice design statement. (They're giving me "gangster" vibes. Ha!) I have a 32" waist and the Medium fits me perfectly (with a little room to spare). I do have to hem the bottoms since I'm on the short side, but they taper nicely down the leg. There's an "adjustable waist" mentioned in the headline description, but I don't see anything resembling an adjustable waist on the pants. Just a hook and button closure. (Maybe I'm missing something?) I'm happy to add these to my wardrobe.
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Reviewed in the United States on May 30, 2025
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The Greek
Port Orchard, US
★★★★★ 5
2nd time purchase in 7 years.10 stars!
This wallet design is fantastic. Compact, front or back pocket use. Has a ton of storage even though it doesn't look it. Last one lasted 7 years of abuse and use. I ordered 2 in case these never get made again. Grab one, best wallet and real durable leather, not fake leather.
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Reviewed in the United States on December 3, 2025
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Miguel Angel Rivero
Carnegie, US
★★★★★ 5
Great wallet
Size: One Size, Color: Black (Money Clip)
Doesn't disappoint. Stays firm and strong as brand new.
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Reviewed in the United States on January 25, 2026

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