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The Ploprof 166.007: Omega’s Ugly Duckling

Omega Ploprof 166.077

In the world of luxury watches, there are iconic designs that evoke instant admiration and timeless elegance. And then, there’s the Omega Ploprof. A watch so strikingly unconventional that it proudly earns the label of the “ugly duckling” of the watch world. Yet, despite its divisive design, or perhaps because of it, the Ploprof has managed to carve out a devoted fanbase since its debut in the early 1970s. How did such a polarising piece earn the love and loyalty of so many watch enthusiasts? Let’s dive into the history and unique charm of the Omega Ploprof 166.077.

A Purposeful Driven Design

Omega Ploprof 166.077
Vintage Omega Ploprof 166.077

The Ploprof, short for Plongeur Professionnel (French for “professional diver”), wasn’t designed to win beauty pageants. It was created to withstand the most extreme conditions of deep-sea diving. Omega developed the watch in collaboration with COMEX, the French commercial diving company and the legendary ocean explorer Jacques Cousteau. The objective was simple: create a robust timepiece that could handle the crushing pressures of the ocean’s depths. In 1971, Omega introduced the Ploprof 600, a watch capable of surviving depths of 600 meters (2,000 feet).

Its enormous stainless steel case, thick sapphire crystal and signature locking crown were all geared toward functionality, not fashion. The Ploprof’s monobloc case design ensured exceptional water resistance by eliminating the need for a screw-down case back. The crown’s placement on the left side further sets it apart. Offering protection from accidental bumps and preserving the watertight seal. When the Ploprof launched, it was priced at 795 Swiss francs, more than double the cost of a Rolex Submariner. Omega advertised it with the slogan, “When you take your life in your hands, you need a good watch on your wrist.”

Aesthetic Brutality

When it first hit the market, the Omega Ploprof 166.077’s looks were, to put it mildly, controversial. The asymmetric case and blocky design stood in stark contrast to the sleek, refined watches that Omega was best known for. Its bulky form, prominent crown guard, and unusual bezel locking mechanism added to the overall sense that this was a tool, not a fashion accessory. Yet, it’s precisely this “form follows function” approach that has won the Ploprof its loyal fans. For those who appreciate purposeful design and engineering over conventional beauty, the Ploprof is a symbol of uncompromising performance. The oversized bezel and massive case not only protect the movement but also provide a clear, readable dial even in the darkest depths of the ocean.

The Cult Appeal

1977 Omega Ploprof 166.077

Despite its initially lukewarm reception, the Ploprof has grown into a cult classic. Part of its appeal lies in its rarity. The original Ploprof 600 was only produced for a few years before being discontinued, making it a sought-after collector’s item. In 2009, Omega relaunched the Ploprof, this time rated to a staggering 1,200 meters. Bringing it into the modern era while retaining its original, unapologetically bold design. For many collectors, the Ploprof represents a refreshing departure from the delicate, minimalist aesthetics that dominate the luxury watch market. It’s a conversation piece, a statement of individuality, and a reminder that watches can be both tools and art. The love for the Ploprof isn’t about prettiness—it’s about appreciating the unapologetic boldness that Omega dared to pursue in creating one of the most extreme diving watches of its time.

An Unlikely Icon

Omega Extract from the Archives
Omega Dial Close Up

In a world where slim, dressy watches often take centre stage, the Omega Ploprof has embraced its role as the industry’s lovable outsider. Its unique design and incredible functionality have made it an enduring symbol of Omega’s commitment to technical innovation. Whether you find it ugly or captivating, the Ploprof’s impact on watchmaking is undeniable. The Ploprof is not just a watch; it’s an icon for those who value function over form, innovation over convention and aren’t afraid to stand out in a sea of predictable designs.

This “ugly duckling” proves that beauty, as they say, is truly in the eye of the beholder. One of the most distinctive features of the Omega Ploprof 166.077 is its locking crown mechanism. Instead of a traditional screw-down crown, the Ploprof uses a push-button lock to secure the crown in place. The large, red button on the side of the case allows divers to release and adjust the crown when needed, providing additional security against water ingress. This mechanism, though odd-looking, ensured that the watch remained fully water-resistant to 600 meters (2,000 feet), which was groundbreaking for the time.

A Keeper For Sure

Omega Ploprof 166.077

It defied convention, choosing practicality over polish, and in doing so, carved out its place as one of the most iconic tool watches ever made. The Ploprof isn’t just a dive watch—it’s a testament to Omega’s willingness to push the boundaries of both engineering and aesthetics. For those who seek more than just a pretty face, the Ploprof stands proud, embracing its legacy as a true diving legend.

As a proud owner of a vintage 1977 Omega  Ploprof 600, this watch truly stands out in my collection. Many vintage Ploprofs serviced by Omega have had their dials and hands replaced, making it increasingly challenging for enthusiasts seeking an authentic look to find examples with these original features. Fortunately, mine retains its original hands and dial, and it also came with an Omega Extract from the archives, confirming its origin and year of manufacture. Whether you love or loathe the Ploprof, there’s no denying its significance within Omega’s range, and it truly stands apart from anything else out there.

More details at Omega.

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About the author

Neil Cody

As one half of Watch Brothers, Neil brings a profound passion for horology, especially vintage watches. He has a particular penchant for old divers, especially those from the 60s to the 80s. His collection mirrors his personality: well-worn, with minor imperfections, in need of a service, and full of great stories. Writing for Watch Brothers and WatchGecko, he’s now hoping to spread his wings at Oracle Time and share his deep love and enthusiasm for his journey in the world of watches.

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