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SUB 800Ti Professional

As this is the eighth Class of SUBs in the DOXA Fleet, we wanted to make this new SUB the toughest and most durable DOXA SUB yet. There is no “rule book” for this, but perhaps the only orgnization that publishes a comprehensive list of such qualifications is the Defense Supply Center Richmond in the US. They have outlined these requirements in MIL-PRF-46374G.

In fairness, there are numerous military spec watches out there, and it is not our style to follow the herd. So our goal was to take the best, most important elements from MIL-PRF-46374G, but also to take into consideration all of the feedback we have received from the DOXA SUB Design Team (also known as the Official DOXA Forum).

If it looks like steel, it must be...titanium?

Perhaps the single greatest request we have had over the years from our customers is for a titanium DOXA SUB. And we have responded with the first ever titanium SUB. And titanium is the perfect choice for a military spec watch owing to its antimagnetic properties, and corrosion resistance. But again, at DOXA we like to do things a bit differently - so we have utilized a polishing technique which leaves the titanium more durable and scratch resistant, but also gives it an appearance closer to that of stainless steel. Again, there are plenty of Titanium watches out there - but we wanted to make you something special - so no boring dull - grey titanium!

Tritium = Total illumination in total darkness

Another key element to the military specifications is the readability of the watch in total darkness. The watch must be readable in total darkness after it has been "stored" in total darkness for a period of eight hours. More specifically, the illumination of the dial cannot be aided by any "external" force. Superluminova depends upon an external light source to "charge" its luminosity - but tritium tubes require no such aid and therefore present the ideal solution! And again - the use of tritium tubes has been a repeated request of our forum members and customers!

Evolution, not revolution

Perhaps the best part of all is that we were able to take the "greatest hits" from the 750T and the 5000T and join them together in the 800Ti. From the 750T we learned that our customers favored both diameter of 44.7 mm, and a flat sapphire crystal. So these two elements were incorporated. In addition to this, we have learned that the 5000T has perhaps the most popular DOXA bracelet ever. So we have utilized its design for the 800Ti, specifically screw attached lugs for the bracelet, NOT spring bars; the modernized bracelet style of links; and the ratchting wet-suit extension.

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Technical Information

Limited Edition
500 pieces, made and assembled by hand in Switzerland

Titanium, 44.7 mm, (excluding crown).
Solid titanium screwdown crown at 3 o'clock. The SUB 800Ti is water resistant to a depth of 800 meters and is hand assembled in Switzerland.

Anti-reflective, scratch resistant, flat sapphire crystal

Solid Titanium alloy, screw down case back. Engraved with limited edition number xxx/500

Sold titanium undirectional bezel. Engraved with the US Navy maximum no decompression limit times in feet (NOT METRIC)

High grade self-winding 25 jewel Swiss-made movement. 42 hours of power reserve based on the ETA 2824.

Incabloc shock protection

Hours, minutes, seconds, quick-set date, no-decompression dive table bezel

Dwarf hour hand. Tritium tube markers and hands.

A more modern look and feel! Sold titanium. The bracelet is attached by screws, NOT spring bars to ensure a secure fit! The bracelet also features a ratcheting wet suit extension, which allows you to engage the extension with the watch on your wrist!

DOXA presentation box

High quality hardened steel dual screwdriver/bracelet removal tool

DOXA's 2 year limited warranty

Operating Manual




    Read what owners say about Doxa dive watches »

    J.E., Rancho Mirage, CA, DOXA SUB5000T Caribbean

    Just a short note to say that my Sub 5000T (68/5000) arrived in tact. It is an amazing watch and I could not be more satisfied. Special pricing made it possible sooner than I thought, and I believe I got a true bargain in a dive watch recognized around the world. My sincere thanks to all at Doxa who had a hand in producing my Seaconqueror.

    Read what owners say about DOXA dive watches »
    Joseph S., Sub 750T Professional #4093/5000

    I have to say it is an awesome piece.As an owner of a few Rolex's and Tags, I was recently thinking of adding a Rolex Sub to my collection.But the article in hr:Watches and your web site helped me in my decision.Now I have the right Sub a DOXA.Your service is great at my door in 4 days.This watch including the box it comes in far surrpass any Rolex I have and for a lot less money.Very pleased&impressed.

    Read what owners say about DOXA dive watches »
    Dean, Alberta, Canada, 2006 SUB750T Clive Cussler Professional Edition 4504/5000

    Thank you for a brilliant time piece. The watch looks a million times better in person than in the spectacular photos on the official forum and on the website (which are what sold me in the first place). This watch is unquestionably one of the finest watches I have ever purchased.

    I am very, very glad I bought this watch. Doxa's quick turnaround and prompt responses to all of my queries was also much appreciated. I normally hate waiting for things, but like a very few select other parts of my life this watch was well worth the 4 day wait.


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DOXA watches LTD is a traditional and independent Swiss watch brand, based in Bienne, Switzerland, this site presents the dive watch collection only. The entire DOXA watches Ltd. collection can be found here:

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