The 22mm lug width also makes it possible to change straps as you please. It looks great on a large number of straps, and some owners have even chosen to put it on a steel bracelet to add additional sportiness to it. SRP639K1 Specifications These watches have been created with an 'in the field’ military design – taking inspiration from a style originally called a ‘trench watch,’ created to be robust and reliable – echoing the Seiko 5 Sports characteristics. Unlike many automatic watches, this model comes with a Seconds-Stop function which allows the wearer to completely halt the movement within the watch. In terms of the text on the dial, the usual Seiko applied logo is set just above the newly designed Seiko 5 logo. “Automatic” written in cursive is situated at the bottom half of the dial. It’s no secret that Seiko makes extremely durable and reliable at affordable prices. Seiko has a wide range of timepieces, but for watch enthusiasts, their sports and dive watches have the most appeal.

Lastly, although it has a subpar strap, it’ll be easy to switch it out for something better since the watch comes with drilled lug holes. It’s also worth having in mind that despite the fact that it is smaller than the standard Seikotuna size, it’s still a large watch. The hands too are large. The hour hand is arrow-shaped and painted white. The minute hand is painted yellow to match the color theme of this watch. It is sword-shaped and of course, has Lumibrite on it.

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Seiko’s collection of sports and dive watches includes numerous timepieces, ranging from affordable to prices in the tens of thousands. One thing they all have in common, however, is that they offer exceptional value for money in terms of finish, reliability, and build quality. In 1983, “Seikosha” became “Hattori Seiko Co., Ltd.” Then, in 1990, they were renamed once again. After some restructuring and the creation of subsidiaries, “Seiko Corporation” finally settled on the name “Seiko Holding Corporation.” The Seiko Prospex SRP639 is built to last as a sporty and durable dive watch. But what is it that makes this watch so popular? Well, the first thing that makes this watch stand out about this timepiece is that it is different. Both in terms of design but also in its use of colors.

If you enjoy sporty dive watches with a fun color twist and enjoy the Seiko Tuna case design, the Seiko Prospex SRP639K1 could be a watch for you. It has a bulky, unique, and sporty presence on the wrist. The discreet yet bold yellow accents add to the sportiness of this timepiece. We are also able to offer an exchange to a different product if required, please specify this when returning your product. It seems clear to me that Seiko is creating watches in larger sizes than in years past. Their current line of divers (replacing the venerable SKX line) are all a whopping 42mm in diameter. Although not quite that wide, with a case that measures 39.4mm and a lug-to-lug of 48.1mm, SRPG is definitely larger than its predecessor.The Seiko Prospex SRP639K1 is part of Seiko’s Prospex collection. What does this mean? It means that, as the name suggests, it is built according to professional specifications. This in turn means that it is built according to the needs and wants of professional divers. And what better proof of quality and reliability than being used and trusted by professionals? Because if it is good enough for them, it is likely good enough for you, too. I think I just heard a collective gasp from my slender-wristed readers. Yes, the SRPG is wide, but it wears surprisingly well on my 6-inch wrist. Before we fill you in on the difference between the two movements, we must say that Seiko takes pride in producing watches with both Quartz and Automatic movements of equally superb quality. The decision regarding the movement will ultimately depend on your personal criteria and preference. Even with the long lug-to-lug, the lugs drape down over my wrist, making the watch look smaller and a bit more compact. The fit is snug, and I can honestly say that this is one of the most comfortable watches I have ever worn on my wrist.

The movement is rated to have an accuracy range of +45/-35 seconds per day. However, Seiko movements usually perform better than their posted accuracy. SRPG39 Strap The watch is almost the perfect weekday piece with only a 40-hour power reserve (just 8 hours short of the perfect weekend). Leather strap watches tend to fit without a problem for most wearers. However, watches fitted with metal bracelets often need adjusting to get the perfect fit. If you are a fan of the Seiko tuna case design but also have a hard time wearing large watches, this watch is the answer to your prayers. Divided into various series, the 5 Sports collection can be diverse too. With the SKX Sports Style, the timepieces feature timepieces that are more inclined towards being dress watches. Whereas, the SKX Suits Style is particularly a dress watch with a beads strap. Emphasising more on the performance aspect more, the SKX Specialist Style is a more robust take on the 5 Sports. Similar to the Suits Style, the fashion aspect of this sports collection is also reflected in the SKX Street Style.Seiko arrived in watchmaking with the mindset to create a special segment targeted towards the Japanese watchmaking industry. This mindset has led to various creations and has broadened the world of watchmaking with Asian ingenuity. To further expand its watchmaking expertise, Seiko launched the Seiko Sportsmatic 5 in 1963, making it the first self-winding watch in Japan. Inspired by the Sportsmatic 5, the Seiko 5 Sports collection was launched in 1968. Since the launch of the collection, Seiko has kept the design uniform with very few changes to its DNA. represents the original five key features of every Seiko 5 still present today: Automatic movement, Day-date display, Water Resistance, Recessed crown and Durable case and bracelet. What makes this watch stand out apart from the case shape and design is its color scheme. But it is important to note that whilst it uses a bright and bold yellow color for its accent, it is the only color It uses, which means it doesn’t become too bright and crazy. All of these small details are extremely important for the overall look and visual appeal of this timepiece, and they go together exceptionally well to create an absolutely stunning timepiece. The case shape of this watch is what is known by collectors as ”baby tuna”, as it is a smaller version of the larger model with the same case shape. This watch has later come to be known amongst enthusiasts and collectors as ”Yellowfin” baby tuna.

The mechanism within the watch is 4R36 automatic movement which is built in-house and the calibre is comprised of 24 Jewels and a 41-hour power reserve.

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If you were to get this watch for any other reason aside from the case or the movement, then definitely get it for the dial. Seiko really hit a home run with the colors and symmetry on this one. I have honestly caught myself looking at the dial way more than actually reading the time.