This week I’ll be wearing my last obtaining of 2019, the first and first Seiko Darth Tuna with reference SBBN011. Purchased December 29th, 2019, yet while out of the country I couldn’t take conveyance of it until a week ago. I’m exceptionally glad to have it on my wrist now, and here’s why.

Seiko Darth Tuna SBBN011 1000m Saturation Diver

A piece of Tuna foundation first: In the last part of the sixties and mid seventies, proficient  had began to utilize Seiko’s watches. However, everything was not well. It immediately became clear that the dormant helium gas utilized in immersion jumping could enter a watch when under extraordinary tension. This unwanted interruption brought about an enormous pressing factor develop inside the case (equivalent to the outside pressing factor). At that point, while decompressing, the helium gas couldn’t get out rapidly enough which was making the glass pass over. You don’t must be an expert jumper to know that’s not by and large ideal…

Birth of the Grandfather Tuna

While others picked a helium discharge valve to allow the compressed gas to out, Seiko concluded that anticipation was superior to the fix. The brand’s engineers concocted an answer so the helium wouldn’t enter the watch in any case. A special type and development of the gasket, combined with a titanium monocoque packaging did the work. In 1975, it was utilized without precedent for the Seiko 6159-7010, which would become known as the Grandfather Tuna. Robert-Jan did a strong review on that watch here .

With the reference 6159-7010, the Tuna was conceived. It was a watch with a ton of firsts. It was Seiko’s first watch with a profundity rating of 600m. Also, it turned out to be the world’s first jumping watch with a monocoque titanium case. Also, it was the primary watch to include a two-layer case development with a defensive (hardened steel with a fired covering around then) cover around the outside of the genuine packaging. With a comparable shape, it probably been the last which, in a little while, incidentally, if this kind of watch with the Tuna nickname.

Improvements to the original

Over the years, Seiko consistently improved their immersion diver’s watch. Mechanical watch developments were making some harsh memories on the lookout, with the rise of quartz innovation. Obviously, Seiko’s first move up to its most expert watch was a 5-gem Seiko type 7549 quartz development. Next up was an increment top to bottom rating of 1,000 meters. Furthermore, the defensive cover got ceramic covered titanium rather than treated steel. Simultaneously (around 1986), the quartz development itself was moved up to the 7-gem type 7C46. Starting today, this equivalent development is as yet utilized by Seiko for their most expert diver’s watches.

My Seiko Darth Tuna SBBN011

In 2005, thirty years after the introduction of the main Tuna, we saw the third genuine update of Seiko’s Professional Saturation Diver’s watch, reference SBBN011. This time the most clear alterations were aesthetical, yet some specialized enhancements ought to be referenced also. The 1,000-meter profundity rating stayed, as did the excellent type 7C46 quartz type. Yet, the watch had another skin that got everyone’s attention: Seiko chose to utilize a dark DLC covered titanium internal case rather than the old gold-hued TiN covering. Not just on the internal packaging, in any case, on the steel bezel also. The outcome was a practically all-dark watch, immediately scratched Darth Tuna. What’s more, in light of its dark round and hollow appearance, at times alluded to as the “hockey-puck” as well.

Technical improvements

As said, with the SBBN011 specialized enhancements were made too. The Phillips screws, used to mount the defensive cover to the internal packaging, became hexagonal fasteners. The Darth Tuna has dark ones (obviously). While, as of not long ago, Seiko depended on their local Hardlex glass, the Seiko SBBN011 Darth Tuna was the first to have a sapphire gem (likewise flaunting an inward enemy of intelligent covering). It was likewise the first of the expert immersion Tuna plunge watches to get an all-earthenware cover, rather than a covered steel or titanium one. For intelligibility, there’s a complete determination sheet of the Seiko SBBN011 toward the finish of this article.

What was straightaway, what befallen the Darth Tuna?

After 2005, it took Seiko just some time before they thought of other news. At any rate, I don’t need to go into the course of life of all Tuna’s here. We have a somewhat complete and instructive reference article on that which you’ll find through the accompanying connection: Seiko Tunas for the Rest of Us.

But what befell the Darth Tuna? In certainty, even today more than 30 years after the fact, very little. Unquestionably actually talking nothing has changed. And any stylish changes have apparently been to its advantage. It required just 4 years for the SBBN011 to be prevailing by the SBBN013 in 2009. As possibly as the model numbers vary, the watches contrasted as well.

Even the reference number didn’t change, 7C46-0AA0. The sign ‘Marine Master’, which was found at the posterior of the SBBN011 case just, was taken to the dial, moved to a spot over the 1,000m and Professional marks. For the rest, the crown was endorsed with an ‘S’ and that was it. All set for another 6 years.

 

A genuine improvement (to the strap…)

Then, in 2015, the model SBBD025 (reference 7C46-0AH0) opened up. It very well may be viewed as the second update of the SBBN011 Darth Tuna. It actually utilizes a similar quartz development, it has a similar case measurements, a similar fired cover, and a similar dark PVD covering of the titanium monocoque case. Most attractive are the new bolt molded hour hand and the straight moment hand.

These kinds of hands can be found on numerous other current Seiko Marine Master and Prospex jump observes these days also. It’s not the first run through changes were made to the hands of Seiko Tuna watches, notwithstanding, it was seldom revolutionary. While the Marine Master assignment can in any case be found in the dial, the S at the crown has been supplanted by the Prospex X-logo (which indeed comprises the letters “P” and “S” styled to look like a “X”). With the SBBN025 Seiko transformed from a polyurethane lash to a delicate silicone tie (a genuine improvement as I would like to think). In light of the tasteful changes, the SBBN025 Is at times alluded to as the “new Darth Tuna.”

At this point, I might want to cause to notice the reality, that this watch in fact didn’t change in more than 30 years. That’s quite difficult to beat. That sort of consistency and life span recommends Seiko was accomplishing something right — something right indeed.

Let’s plunge into the details

While the Darth Tuna actually didn’t change during the most recent 30 years, there are a couple of tasteful changes worth referencing. The following, is a next to each other comparison of the SBBN011 and the cutting edge SBBN02x. I’m utilizing the SBBN02x in light of the fact that I don’t have a SBBN025 to hand. The SBBN029 is, aside from the shade of the clay cover (brilliant rather than dark), precisely equal.

Darth Tuna SBBN011 subtleties New Darth Tuna SBBN02x subtleties

The hands of the SBBN011 probably won’t be by and large equivalent to those of the Grandfather Tuna, yet they’re close. There was a little change between the principal Tuna model in 1978 and its quartz replacement, more in design than fit as a fiddle. The SBBN011 sports similar hands as the main quartz fueled Tuna in 1978. The current (New) Darth Tuna SBBN025, nonetheless, got an entirely unexpected, straight moment hand and a wide-bolt tipped hour hand.

The current Darth Tuna

These are more in accordance with an assortment of current Prospex models, yet not faithful to the first Tuna hands. The seconds hands of Tunas are verifiably produced using exposed metal with a dark tail and a round, iridescent counterpoise (this is the situation on my SBBN011 also). The cutting edge Darth Tuna, be that as it may, has a white painted second hand with a more limited dark tail and radiant candy. All things considered, I should concede that the readability positively didn’t become more awful with the new hands.

The dial of the SBBN02x showing the raised ring for the list markers

Many Subtle Changes

At first sight, the dials from the first and last Darth Tuna models may look pretty approach, however under investigation, numerous inconspicuous changes become obvious. I love clean dials, positively for proficient instrument watches. As I would like to think, the Marine Master text is subsequently superfluous. It simply tops off the dial. Other than this, the textual styles utilized on the New Darth Tuna are bigger than in my SBBN011. Indeed, even the Seiko brand name is bigger — there is no requirement for that.

I like the file markers at my SBBN011 to be surrounded by raised metallic rings (much the same as the triangle at 12). The current SBBN025 doesn’t have that. Neither does it have the little applied lines radiating from the cardinal records at 12, 6, and 9, which had the impact of practically isolating the four areas of the dial. Lastly, I lean toward the cardinal markers to simply be marginally bigger circles.

On today’s SBBN025, the cardinal markers got an alternate shape totally. A miniature marker was additionally added close to the date window (which may have something to do with ISO guidelines). At that point, however this is not really observable, the markers in the dial of the SBBN025 are put on a marginally raised circle. It’s not that I explicitly don’t like this, but rather I don’t see the requirement for it by the same token. The crowns are very much like, however the expansion of the “Prospex” logo is notable.

Crown of the first Darth Tuna Crown of the current New Darth Tuna

Conclusion

My Seiko SBBN011 Darth Tuna probably been one of the last created. As indicated by its chronic number it was delivered in July 2008 in Japan. What’s more, as per its guarantee card, it was sold in December of that year in a little shop at 9, Rue Ville Pépin in Saint-Malo, France. Just a single month later the SBBN013 made its debut.

The little shop in Saint-Malo, France, where the Darth Tuna of this article was purchased in December 2008

Being pretty much the complete update of the Seiko Tuna Professional Saturation Diver’s, all things considered, the SBBN011 is, as far as I might be concerned, the better model. It’s at the highest point of the specialized details, and its appearance is pretty much near the first thought of a Tuna. In any case, feel are exceptionally close to home, obviously. While I’m not an immense enthusiast of the more current handset (nor the fresher dial, so far as that is concerned), others may feel in an unexpected way (let us know which you like in the comments underneath). The greatest improvement of the new SBBN025 Darth Tuna is the silicone lash, yet in the event that you need one of those on your prior Tuna it is effectively done.

 

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