The term 'super compressor' can evoke a sense of intrigue and admiration among watch enthusiasts. But if you’re new to the world of timepieces, it can also leave you confused. What is a super compressor? And what does it have to do with watches?
Originating in the mid-20th century, the super compressor watch has a distinct place in the history of diving watches. Its unique case design, built for underwater adventures, stands out for its technical ingenuity and classic aesthetics.
Let’s explore what a super compressor is, how they work, how they make dive watches special, and some of the best examples in this category.
Vintage Highley Genuine Leather Watch Strap on Christopher Ward C65 Super Compressor. Credit: WatchGecko.
To start, let’s get a clear idea on what exactly a super compressor watch is.
What is a Super Compressor Watch?
A super compressor watch is a type of watch case that’s designed specifically for diving. Developed in the 1950s and 1960s, it was a significant innovation in the field of water-resistant watches for the time. This period was marked by a growing interest in underwater exploration and the need for reliable equipment to support such endeavors, making the introduction of the super compressor watch particularly timely and significant.
Wondering where the name comes from? The term 'super compressor' is derived from the case's ability to become more watertight under increased water pressure. This feature is a result of the watch's ingenious case design, which incorporates a sealing method that becomes more effective as the surrounding pressure increases.
Christopher Ward C65 Super Compressor. Credit: WatchGecko.
The typical super compressor watch features larger cases compared to standard dive watches of the time, designed to accommodate the internal mechanisms necessary for this increased water resistance.
These watches also often include two crowns – one for the standard function of setting the time and the other dedicated to adjusting the internal rotating bezel. This bezel is a critical element for divers to track their time underwater safely, and its internal placement protects it from accidental adjustments.
How Does a Super Compressor Work?
The secret to the super compressor watch’s effectiveness lies in its unique case construction, which sets it apart from traditional dive watches. Instead of the more common screw-down case back, a super compressor employs a case back that is spring-loaded.
This design allows the case back to tighten its seal as the external water pressure increases. So as a diver descends deeper underwater, the pressure exerted on the watch increases, which in turn compresses the spring, enhancing the sealing of the case back against the O-ring seal. This technology was revolutionary at the time.
The super compressor's construction also contributed to a more streamlined and ergonomic design, avoiding the need for overly bulky cases. This resulted in watches that were not only practical for diving but also comfortable and stylish for everyday wear. The incorporation of dual crowns also added to the super compressor's distinctive look, and it’s since become a design signature recognized by watch enthusiasts worldwide.
Christopher Ward C65 Super Compressor. Credit: WatchGecko.
Best Super Compressor Watches
Super compressor watches were predominantly designed for diving, given their enhanced water resistance capabilities. Over time, they’ve become revered not just for their functionality but also for their unique aesthetic appeal.
Iconic brands like Jaeger-LeCoultre and Longines were among the first to introduce super compressor cases in their diving watches. Models like the Jaeger-LeCoultre Polaris and Longines Legend Diver are classic examples, highly sought after by collectors for their vintage charm and performance.
Today, modern interpretations of the super compressor watch are still produced by various brands, including Oris and IWC. The IWC Aquatimer is a great modern example of one of the best super compressor watches. It pays homage to the classic design, offering a perfect blend of history, functionality, and style. The Christopher Ward C65 Super Compressor (pictured throughout) is another great example. As the first genuine super compressor made in 50 years and the only one with a display caseback that offers fascinating views of the compression spring that helps to give the watch its name, the C65 is quite the statement piece.
ZULUDIVER 1973 British Military Watch Strap on Christopher Ward C65 Super Compressor. Credit: WatchGecko.
£24.00
ZULUDIVER 1973 British Military Watch Strap: ARMOURED RECON - Admiralty Grey, Polished
£24.00
ZULUDIVER 1973 British Military Watch Strap: ARMOURED RECON - Military Black, Satin
£24.00
Are All Dive Watches Super Compressor Watches?
Finally, it’s worth addressing a common misconception: the idea that all dive watches are super compressor watches. This isn't the case. Super compressor watches are a specific type of dive watch known for their unique case design and water resistance capabilities, and not all dive watches fall under this category.
Dive watches come in various designs and mechanisms, each with their own set of features tailored for underwater use. The key characteristics of a dive watch typically include water resistance (often at least 200 meters), a unidirectional rotating bezel for tracking dive time, luminous hands and markers for visibility in low light, and robust construction to withstand the pressures and rigors of diving.
Super compressor watches are one such style of dive watch, distinguished by their specific case construction, featuring a spring-loaded case back and often dual crowns.
Christopher Ward C65 Super Compressor. Credit: WatchGecko.
Other dive watches may employ different methods to ensure water resistance, such as screw-down crowns and case backs, thicker case designs, and advanced sealing technologies. Brands like Rolex with their Submariner, Omega with the Seamaster, and Seiko with their Diver's Watch series, offer popular dive watches that don’t utilize the super compressor case design but are still renowned for their reliability and performance under water.
Bottom Line
The super compressor watch remains a fascinating chapter in the history of watchmaking, and it still influences many of the best watch brands today. Its innovative design and practicality under pressure have cemented its status as a favorite among diving and watch enthusiasts alike.
So whether you're a diver or simply a lover of fine watches, the super compressor offers a unique combination of history, functionality, and timeless design.
