Omega Speedmaster Professional Moonwatch 3570.50.00 Black Dial (Unpolished)

Omega Speedmaster Professional 3570.50.00, unpolished case with sharp lugs, original dial, stiff bracelet, cal. 1861

Omega Speedmaster

Omega has been making watches since 1848 and is one of the more recognized Swiss manufacturers in the market. The brand sits in the upper-mid to luxury tier and has a long history in precision timekeeping, including serving as the official timekeeper for the Olympics and supplying watches to NASA. Omega produces watches across several lines, covering everything from dress watches to diving watches to tool watches, and they have a broad customer base because of that range.

The Speedmaster is Omega's most historically significant model. It became famous after NASA selected it as the official watch for astronauts in 1965, and it was worn on every crewed Apollo mission, including the Moon landings. That history gives the Speedmaster a cultural weight that most other watches simply do not have, and it has kept the model relevant for decades without needing major reinvention.

The reference 3570.50.00 is the modern version of the Speedmaster Professional, commonly called the "Moonwatch." It runs on the caliber 1861, a manual-winding movement with a column wheel chronograph that traces its lineage back to the original 1960s movement. The 42mm steel case, black dial, and hesalite (acrylic) crystal are intentional nods to the original design rather than compromises. Omega has kept this configuration largely unchanged over the years, which is part of why it holds its value reasonably well and remains one of the more sought-after references in the used market.

Key Details To Consider

This Omega Speedmaster Professional reference 3570.50.00 is presented in genuinely good used condition, with all original parts intact. One of the things that stands out immediately is that the case has never been polished, so the factory finish remains fully intact across the case and lugs. The lugs are still sharp, which is increasingly hard to find on a watch that sees regular wear, and it makes a real difference in how the piece looks on the wrist.

The black dial is original and in excellent shape, showing no fading or damage. The plexi hesalite crystal has some light surface scratches, which is completely normal for this type of crystal and is part of the character of wearing a Speedmaster. For those who prefer, the plexi can be easily buffed or replaced if desired.

The steel bracelet is in strong condition. It is very stiff with no stretch, which tells you it has been well cared for and has not been worn heavily in heat or humidity over the years. It fits a 7.25 inch (18.5 cm) wrist comfortably. The manual winding cal. 1861 movement is the same caliber that has been used in NASA-qualified Speedmasters for decades, known for its reliability and straightforward serviceability.

This is a solid example of the classic Speedmaster Professional for someone who wants an honest, unpolished watch that wears its history without any cosmetic shortcuts.

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