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Omega Seamaster Professional - Black Dial

Details

An Elevated Modern Diving Icon

The Seamaster Diver 300M is the modern evolution of Omega’s most successful diving platform. While the standard steel versions are built for utility, this reference introduces yellow gold into the bezel and bracelet, moving the watch into a more luxury-oriented space. It represents the current peak of Omega’s mass-production engineering, housing a movement designed for extreme magnetic resistance and high-tier precision.

 

Advanced Materials And Professional Standards

The black ceramic dial features laser-engraved waves that provide visual depth, paired with a ceramic bezel insert that offers a high level of durability. This configuration creates a sharp contrast against the yellow gold accents, making the watch feel more like an intentional piece of design rather than just a tool. It maintains all the professional features of the Seamaster line, including the helium escape valve and a robust bracelet construction, but executes them with a higher level of finishing

Overall Condition

This watch comes as a full set with its original box and papers. The case and bracelet show significant scratching throughout from consistent use. We have opted to present the watch in this condition to show its true history as a daily wearer. The sapphire crystal remains clear and the bezel is intact. Mechanically, the watch is running strong after passing our test bench.

A Technically Superior Daily Driver

This is for the buyer who wants a modern diver that carries more presence than a standard stainless steel tool watch. The two tone construction offers a level of versatility that works across different environments, from the water to a professional setting. It is a substantial piece that provides significant modern watchmaking value. It remains a practical and highly capable choice for anyone looking for a primary watch that can handle anything.

Key Specs

Reference: 210.20.42.20.01.002 (SKU 472)

Model: Seamaster Diver 300M Co-Axial Master Chronometer

Year: 2020s

Movement: Automatic (Cal. 8800)

Case Size: 42mm

Bezel: 18K YG Ceramic Unidirectional Rotating

Bracelet: Two-Tone (9 Links)

Dial: Black Ceramic (Wave Motif)

Wrist Size: 6.5–7in

Metal: Stainless Steel & 18K Yellow Gold

History

Omega was founded in 1848 by Louis Brandt in La Chaux-de-Fonds, Switzerland. What began as a small workshop assembling pocket watches grew steadily as Brandt’s sons expanded production and centralized operations in Biel. In 1894, the company introduced the “Omega” caliber, a movement built with standardized, interchangeable parts that made servicing far more efficient. The success of that caliber was so significant that the company eventually adopted Omega as its official name.

In the early 20th century, Omega built its reputation on precision timekeeping. The brand became deeply involved in observatory trials and international sporting events, ultimately serving as official timekeeper for the Olympic Games beginning in 1932. Accuracy was not just a slogan. Omega movements consistently performed at a high level in chronometry competitions, reinforcing the brand’s technical credibility during an era when mechanical precision was everything.

The postwar decades were especially important. In 1952, Omega introduced the Constellation line, focused on chronometer-certified performance in refined cases. A few years later came the Seamaster 300 and the Speedmaster, both launched in 1957 as part of a trio of professional tool watches. While the Omega Speedmaster Professional would later gain global recognition through its association with NASA and the Apollo missions, Omega’s broader catalog during this period reflected a balance between technical durability and clean mid-century design.

Through the quartz crisis of the 1970s and into the modern era, Omega adapted rather than retreated. The brand participated in the development of early Swiss quartz movements, experimented with bold case shapes and integrated bracelets, and later invested heavily in mechanical innovation. The introduction of the Co-Axial escapement in the late 1990s, developed by George Daniels and industrialized by Omega, marked a renewed emphasis on mechanical longevity and reduced friction within the movement.

Today, Omega remains one of Switzerland’s largest and most recognized watch manufacturers, operating under the Swatch Group while maintaining substantial in-house production. From dress watches to dive watches and chronographs, the catalog spans a wide range, but the underlying theme is consistent: reliability backed by real technical development. For collectors, vintage Omega offers depth across decades, whether in understated chronometers, classic Seamasters, or early Speedmasters that helped define an era of exploration.

What Our Clients Say About Us

Dan Young
4 months ago

I knew I was gonna like Danny, based on his name, but nothing could’ve prepared me for how great of an experience this was. He had the most beautiful 70s Seamaster Cosmic on his website and I was set to be married 2 days later - I arranged to buy it but before leaving we both realized it needed to be serviced. I panicked, because I was literally buying this for my wedding, and Danny being the legend he is, loaned me a nearly identical Seamaster to make sure I could get through the event Never have I had someone go so above and beyond for me, especially while purchasing one of the lesser priced items in their inventory. He serviced my watch and exchanged it with me after the wedding on a super fast turnaround timeline. I would sincerely recommend you visit this guy, you will not be disappointed Edit: adding a pic of the loaner (two tone) and the owner (crosshair)

Patrick Farella
5 months ago

Great service and shop. Danny and his team were incredibly accommodating, professional, and kind. Great selection of vintage watches. Their store is the hidden gem in the diamond district.

Zee06
2 months ago

This was my first real luxury watch purchase, a Rolex 15200 Date 34mm, I own Tissots and a Laco, but those are entry level luxury watches. I found Danny’s Vintage Watches online, and had great feedback both on Google, Chrono24 and the Reddit watch community. So decided to give him a shot as buying online can be a crap shoot. Ordered Monday night, was at my doorstep Friday morning. Despite the watch being over 30 years old, serial number says it’s from 91, the watch looked new. Didn’t come with box or papers, and was shipped in a plastic sleeve wrapped in bubble wrap. Danny was always available to answer questions. I’ll be buying from Danny again for the next purchase…saw a couple of Speedmasters on his site I liked….

Mohammed Islam
4 months ago

Can't recommend Danny's vintage watches enough!!! My first Omega ever and im in love have been wearing every day since I purchased it. Danny's shop is a must visit if you are in NYC looking for a watch!!!