One of Seiko's diver's watches, commonly known as the "Tuna Can," has been a popular model for many years among watch enthusiasts due to its unique design and high performance. While the nickname derives from its appearance, its reliability, backed by its solid performance for professional use, has made it an iconic presence for the brand. In this article, we will explore the appeal of the Tuna Can from its history, design philosophy, and evolutionary process, providing information that will help you choose the right watch.
What is Seiko's "Tuna Can"? The Origin of Its Unique Nickname
Seiko's nickname "Tuna Can" comes from its unique appearance. The protector surrounding the outer case is reminiscent of a can of tuna, so the name naturally caught on among watch enthusiasts.
This distinctive design is not merely decorative, but is the result of a design that emphasizes functionality. This ring, called the outer case protector, is attached to protect the case and increase its durability.
Seiko first introduced this model to the market in 1975. To meet the demands of professional divers, the watch featured a shock-resistant structure, including an outer case protector, providing excellent reliability for use in the harsh environments. As a result, this unique watch earned not only its nickname but also recognition throughout the watch industry.
The history and evolution of canned tuna
The background to the creation of the Tuna Can was Seiko's challenge to develop a watch suitable for use in special environments such as deep-sea exploration and saturation diving. The first model, the "Professional Diver 600m" 6159-7010, released in 1975, was a groundbreaking diver's watch at the time, with a water resistance of 600m.
Since then, Seiko has continued to improve the technology and performance of the Tuna Can in line with the changing times, and the Tuna Can is no longer just a diver's watch; it has become a symbol of Seiko's technological prowess.
Today, the Tuna Can is available in a wide variety of variations that are easy for the average user to use, and is highly acclaimed for both professional and everyday use. In this way, it can be said that the Tuna Can is a watch that has constantly evolved while adapting flexibly to the changing times.
Design concept as a diver's watch
The Tuna Can reflects the thorough design philosophy of a diver's watch, starting with the outer case protector that is symbolic of its name. This model stands out in particular for its improved water resistance and durability. The protector ring not only protects the entire case from impacts, but also provides durability that can withstand the high pressures of deep sea water. This innovation prevents water and dust from entering the watch, ensuring reliability even in harsh environments.
Another feature of the Tuna Can is its excellent visibility. The hands and indexes are made with Lumibrite, making them bright enough to read the time at a glance, even in the dark. This makes it suitable not only for deep sea use, but also for nighttime outdoor activities and disaster situations. Despite its large case size, the watch is also comfortable to wear, earning it high praise from many users.
This design philosophy goes beyond mere functionality, placing emphasis on providing a sense of security to the user. This may be the reason why the Tuna Can is popular not only with divers, but also with adventurers and watch enthusiasts.
Design differences from other diver's models
The Tuna Can features a unique design that sets it apart from other models in Seiko's diver's watch series. Of particular note is the outer case protector that surrounds the case. This part not only protects the entire case from impacts, but also makes a great visual impact. One of the reasons for its popularity is that, even among diver's watches, its design prioritizes functionality without compromising its beauty as a watch.
On the other hand, typical diver's watches often require a rounded case shape as well as thinness and lightness. In contrast, the Tuna Can features a larger case and a thick protector ring, prioritizing visibility and durability. The crown is also positioned at the 4 o'clock position to minimize interference with wrist movement. This design prioritizes practicality, taking into consideration the comfort of professional divers when using the watch for long periods of time.
Furthermore, while most diver's watches tend to have slim bezels, the Tuna Can has a thicker bezel, improving the grip when operating the watch. This makes it easy to use even while wearing gloves, and it shows a design philosophy that is geared towards professional use. In this way, the Tuna Can is unique and different from other models, while also pursuing a design rooted in practicality.
From the quartz model to the current model
The Tuna Can has evolved from its early models to quartz movement, and has continued to evolve through technological innovations. In 1978, the first quartz-powered saturation diving diver's watch, water resistant to 600m, was released, and was praised for its high precision compared to mechanical watches. This movement is characterized by its stable performance over a long period of time. Quartz models do not require periodic winding, and they maintain accurate timekeeping with annual deviation even under the harsh conditions of the deep sea, making them popular not only with professional divers but also with general users.
In this way, the Tuna Can has evolved into a model suitable for both professional and everyday use. This has made it popular not only among watch enthusiasts, but also among people with diverse lifestyles. Meanwhile, reproductions that retain the design and functionality of the original model have also become popular, helping to rediscover its historical value. In this way, the Tuna Can embodies the fusion of technology and tradition within Seiko's diver's watch series.
Humorous April Fool's Day tuna can jokes
Seiko's Tuna Can is not only highly acclaimed for its unique design and practicality, but its nickname has also made it popular among watch enthusiasts. This nickname has been officially recognized by Seiko itself, and it is interesting to note that the brand is actively promoting the unique aspects of the Tuna Can.
One example of this is the April Fool's Day project in 2017. That year, Seiko officially announced the "Ultimate Diver's Watch, 'Tuna Can,'" which became a hot topic in the watch industry and among fans. The project featured a humorous product introduction and presented a fictional scenario in which the watch itself was sold as a can. This initiative symbolized Seiko's serious approach to watchmaking, as well as its playfulness and creativity.
This April Fool's Day initiative further emphasized the familiarity of the Tuna Can. It's a good example of how Seiko can create opportunities to connect with enthusiasts without compromising its credibility as a brand. The Tuna Can watch continues to be loved by many people not only for its performance and design, but also for the story behind its name.
Recommended Seiko diver's models
Seiko's Tuna Can series is beloved for its unique design and high performance. Seiko also has many other high-performance diver's models.
So, here we will take a closer look at the Ref. SBBN047 and Ref. SBDX023. While each has its own unique characteristics, they embody Seiko's technological prowess and design philosophy.
Seiko Prospex "Marinemaster Professional" Ref.SBBN047
Quartz movement (Cal. 7C46). 7 jewels. Ti case (diameter 49.4mm, thickness 16.3mm). 1000m saturation diving water resistance. 395,000 yen (tax included).
The Ref. SBBN047 is a professional-grade diver's watch with 1000m of water resistance for saturation diving. This model's greatest features are its unique design, featuring an outer case protector, and its high level of practicality. The case is made of titanium and is treated with Seiko's proprietary Super Black Dia Shield coating. This not only improves durability but also reduces weight.
The watch is powered by the Cal. 7C46 movement, which is renowned for its high accuracy. This quartz movement boasts an average monthly accuracy of ±15 seconds and has a battery life of approximately five years. It also features a calendar function, making it extremely convenient for everyday use. The sapphire crystal is scratch-resistant and provides excellent visibility.
In terms of design, the large 49.4mm case size is eye-catching, but thanks to the use of titanium, it weighs just 118.5g. The hands and indexes are made with Lumibrite to ensure visibility in dark places, making it suitable for use in deep seas. As a model that combines performance and design, it is popular with a wide range of people, from professional divers to the general public.
Seiko Prospex "Marinemaster Professional" Ref.SBDX023
Automatic movement (Cal. 8L35). 26 jewels. 28,800 vph. Power reserve approximately 50 hours. Stainless steel case (diameter 44.3 mm, thickness 15.4 mm). 300m saturation diving water resistance. 352,000 yen (tax included).
The Ref. SBDX023 is a part of the Seiko Prospex Marinemaster series, a diver's watch with 300m of water resistance for saturation diving. This model features a robust construction with a stainless steel case and ceramic bezel, making it scratch-resistant and maintaining its beautiful appearance for a long time.
The watch is equipped with Seiko's high-end mechanical movement, the Cal. 8L35. This movement has a power reserve of approximately 50 hours and combines high precision and durability. It also comes equipped with the basic functions of a professional diver's watch, such as a screw-down crown and a unidirectional rotating bezel, making it a reliable watch even in harsh environments.
In terms of design, the black dial features large Lumibrite-coated indexes and hands, ensuring visibility in dark places. The case measures 44.3mm and weighs approximately 222g, making it a striking design while providing a balanced fit. The stainless steel bracelet also features a diver extender-style three-fold push clasp for added practicality.
The Ref. SBDX023 is a model that combines Seiko's tradition of diver's watches with the latest technology. Its performance and design are highly praised not only by professional divers but also by watch enthusiasts.
Get your hands on Seiko's beloved "Tuna Can"
Seiko's Tuna Can is a diver's watch that combines unique design with high performance, making it loved by a wide range of people, from watch enthusiasts to professionals. Its name is derived from its outer case protector, and it is packed with features that can withstand harsh environments, such as durability, visibility, and water resistance.
The Tuna Can is a symbol of Seiko's innovation and technological prowess, and owning one will ensure it remains a beloved companion for many years to come, both in everyday life and on special occasions.
