As it is a professional dive watch, it of course has a serious water resistance, which in this case is 200m /660feet/20ATM. This makes it suitable for diving, swimming, and any other type of water sports.

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. The case has a diameter of 45mm including the shrouds, but note that it will depend on how you measure the case. It is of course made in stainless steel, but as you can notice from the very first impression, it’s not like any other. When purchasing a watch which has a metal bracelet with adjustable links, we will gladly adjust the watch bracelet to fit your wrist before sending the watch to you - free of charge! The Seiko 5 line of watches was first introduced in 1963 and was Japan’s first-ever automatic day-date watch. The SRPG39 is one of many watches in the Siko 5 line.

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. 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. Currently, the Seiko Group has seven watch brands under their name: Seiko, Grand Seiko, Credor, Pulsar, Alba, Lorus, and Orient. Overview of Seiko 5 Line

Kintarō Hattori, the founder of Seiko, opened his watch and jewelry shop called “K. Hattori” in Tokyo, Japan. After several apprenticeships and partnerships with foreign trading firms, one being F. Perregaux & Co., he moved his shop to the main street of Ginza, Tokyo. 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. The watch is almost the perfect weekday piece with only a 40-hour power reserve (just 8 hours short of the perfect weekend). 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. Home to a plethora of limited-edition timepieces, the Seiko 5 Sports collection is also brimming with brilliant collaborations. One such collaboration is with the streetwear brand, HUF. Launched with two iterations of the 5 Sports, the HUF Limited Edition is a vibrant addition to the collection.The first thing that draws the eye is the contrast between the gold-painted applied arabic hour markers and the matte blue dial 4R36. Props to Seiko for coming up with this color combination. The gold and blue just meld together so well that a person might mistake this watch for a dress watch (and it practically can be, if you roll that way😉).

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. 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’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.

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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 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. 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.”

Seiko is well-known for the Astron, which when it was unveiled in 1969, became the world’s first production quartz watch. This is generally a very simple procedure. We can do this for you, or you can get the watch adjusted locally. Option 1. Specify your wrist measurement and we will adjust it before being sent

All the Seiko Dive Watches We've tested

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. 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. We are also able to offer an exchange to a different product if required, please specify this when returning your product. 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. 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.