SOLD: Seiko Marinemaster SBBN031 - TUNA (new style)

Studio66

Gold Member
This is a catch and release for me.
The new style comes with the incredible, almost invincible Dia-Shield coating !
Full kit included here with Warranty card dated September 2015

Watch is in mint condition, bracelet is like new as the watch has spent most of it's short life on rubber.
The lume on this watch is incredible (see photo below)

This is a watch that is steeped in history and technical innovation.

I found it fascinating to understand the incredible quartz movement that is within this watch (read below)

Trade Value - 1100.00

Watch is located in SW Ontario, FTF in West GTA/Western Ontario preferred, but I will ship sea to sea.

Some fun reading below

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The 7C46 is a (Hi-Tech) multi jeweled movement with extremely "Hi-Torque tolerances and High efficiency" built in over prior 7 series quartz movements, which enable the 7-jeweled gear-train and pinions to motion & turn the hands in perfect sync to the energy-pulse, with much less kinetic effort via the electronic step motors that power them.
Thus making for a highly accurate and efficient full size quartz machine to perform strongly with much less resistance.
They also incorporate (dual-rate trimmers) which allow the watch to be perfectly synchronized for extreme accuracy, which aid in the longevity and add to there lifespan, while running well with in the stated accuracy specs.

They also enjoy the added benefits of, Low-Drain electronics while providing High-Torque Power to the gear driven train and Oversized Hands for optimal efficiency & extended battery life. As an added plus, this caliber also incorporates the E.O.L. (End Of Life) Low battery warning feature, of the seconds hand ticking at 2 second intervals when the battery voltage is low, thus alerting the owner its time to replace the battery cell.

They also provide the Premium Benefits of being designed in a full expanded size, and are incorporated into the advanced Titanium alloy cases that house them, which are also very highly advanced designs on there own rite built with advanced shock protection built-in specifically for this movement.

The cases also provide "Enhanced antimagnetic Gauss's law & thermal compensational technology, as well as full Helium/Nitrogen gas Prevention & Dispersional technology.

They simply are just the perfect combination of the utmost in quality craftsmanship, to enable them to easily handle the various extreme conditions of Commercial diving found around the globe, in any oceanic environment.

They also can be completely disassembled for cleaning & service many years down the road; that together with the other quality design features therefore make this movement, the absolute highest quality advanced Professional quartz divers watch movement in the world AFAIC.

These highly evolved movements, as well as the Tuna series Professional Dive watch cases & components, probably hold more advanced (patent designs) than any other watch in the world!

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A great article from Worn & Wound

http://wornandwound.com/buying-a-seiko-tuna/

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