![]() ![]() The Kanji days of the week are just plain cool.Mine, for the most part, live on really broken-in Maratac Zulu straps. The drilled-through lug holes make swaps easy too. They wear well with every type of strap, from Isofranes to OEM bracelets to mesh to nylon to canvas to leather. ![]() The printing on the dial, unique brushed hands, the smooth bezel action and sublime crown feel make it a joy to look at and operate. The build quality rivals far more expensive watches.An end-of-battery-life indicator will show the seconds hand ticking at every two seconds to show it’s time for a battery change. In my experience, Tunas are very accurate and have a battery life lasting over five years.It can be serviced and uses a 7-jeweled gear train and dual-rate trimmers for maximum efficiency. The 7C46 high-torque quartz movement is designed specifically for this model.It wears a lot smaller than its specs because of the short lug design.It has historical significance and it’s part of the Seiko dive watch lineage.But it still maintains traits that show its relationship with the rest of the Seiko diver watch heritage. It’s a conversation starter and it’s so unlike a typical diver in appearance that no one will mistake you for wearing a Sub clone. Here are 10 reasons (or excuses) for adding a Tuna to your collection: If you’re a worn&wound reader who’s thinking, “Why would I pay over $500 for a quartz watch?” then you probably haven’t held a Tuna in your hands or strapped one on your wrist. Released in 1978, the 600-meter rated watch was Seiko’s first quartz diver meant for professional diving.įor the me the Tuna series hits its sweet spot at the 300 meter depth-rated quartz Prospex models, the SBBN015 and the SBBN017, both well under $1,000 with the current exchange rate at the time of this article’s publication. The first quartz Tuna was the 7549-7009, also known as the Golden Tuna for its gold colored accents. The modern version is nicknamed the Emperor Tuna, the SBDX011, which retails for around $2,300 and uses an undecorated Grand Seiko movement, the 8元5. Seiko was at the time seeking to create a watch that could hold up well for professional saturation divers and came up with the first Tuna. ![]() It’s a magnificent watch that features a titanium case, L-shaped crystal gasket, ceramic-coated titanium shroud, automatic movement and no helium escape valve. ![]() I won’t go deep into the history, but the beginnings of the Seiko shrouded diver go back to 1975 with the introduction of the 6159-7010, which is known as the Grandfather Tuna. Two cut outs give the wearer access to turn the timing bezel. The shroud is a shield for the case that is secured with three screws, giving the suit-of-armor appearance that projects an all-business attitude that fans love. The Seiko “Tuna” nicknamed for its Chicken of the Sea-style circular case is most definitely unique and it’s an eye-catching design that also happens to be derived from some serious dive watch innovation by the Japanese watch manufacturer, whose history in the development of dive watches is on par with the biggest names in the category. The seemingly garish Seiko shrouded divers has caught the attention of most of the table sharing Neapolitan pizza pies and watch talk. Recently, at a casual gathering of watch enthusiasts, most of who prefer refined automatics under or around 40 mm, there was an undeniable attraction to two Seiko SBBN015s (48mm cases and quartz powered) that had made their way into a pile of Sinns, Damaskos, Squales and vintage Hamiltons. ![]()
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