1991 Citizen AJ0080-08E 800m Titanium Professional Diver Review - Seiko & Citizen Watch Forum – Japanese Watch Reviews, Discussion & Trading
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Old 03-02-2010, 09:04 PM   #1 (permalink)
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Default 1991 Citizen AJ0080-08E 800m Titanium Professional Diver Review

Authored by: swingkid

Hello all,

I decided to write a small review on the Citizen 800mTitanium Professional Diver's. I always found it hard to get some infoon this watch, so maybe I can make it a little easier for others...


(I am not a native speaker)

If I remember correctly this watch belongs to a family of thefirst Citizen Titanium Divers, which included a 1300m and a 300mmodels. The 1300m model was produced from 1983, and I believe the 800mmodel came out some years later. This particular model has beenproduced in 1991. I think it must also have been around that time whenthe model was discontinued. These watches seemed to have a directSeiko-rival, the 600m Quartz Model. All of them are quite rare.

(taken from: http://www.network54.com/Forum/17022.../FS-+7c46-6009)

This professional diver's family is the ancestor of the EcoZilla and Autozilla.

Model name: Citizen Promaster 800m Professional Diver's

Movement #: 5503

This is a Professional Diver's watch, means it's been made forsaturation diving. It is quite big, but thanks to the titanium it'slight and wears very comfortable. It has all the features a dive watchshould have plus the special bezel, which can only be operated whenpressed down (press-to-turn). It came on the usual Citizen rubberstrap, but after almost 20 years of usage it had to be replaced (I haveit on an aftermarket rubber, though I think about buying an originalone; I think the Citizen Aqualand rubber straps are the best on themarket...).

On 3 o'clock position, a covering is integrated and screwed into thecase. I guess it must be the cover sheet for the bezels blocking, Inever took it off, the slotted screws seem to be a little flimsy and Ididn't want to take the risk to destroy them (there was no need to takeit off, so far). The knurled screw down crown is positioned at 8o'clock.




It's the Citizen 5503, a quartz movement which obviously was availablefor 40-50$ back then (that's what I#ve read on one of the threads).It's 3.3mm thick, runs with ±15 seconds per month, 32,768 Hz, (actuallymine runs with +1 to 2 sec/week) and uses a five-year battery. It has apower-warning (2 second steps) and is anti-magnetic.

The day/date can be quick set and comes in two languages(German/English, but I also have a Spanish/English one). The disks areblack with white cyphers, the Sunday is red. The hands almost hit theminute markers, with only very little offset.

More info: http://www.citizenwatch.com/downloads/tech/tech.htm


The Titanium is really nice to wear, the case is quite thick so thecrown doesn't push into the back of your hand if you wear it in theright wrist. No sharp edges on this watch!

The lug width is 22mm, lug to lug is 46mm, 3-to-9 is 48mm and 8-to-2(including crown) is 50mm. Thickness is 15.5/14.5mm (measurements havebeen taken with a sliding calliper).

The crown is knurled and has 6mm Ψ. It has a lot of "wobble", so you better be a little careful when screwing it down.

The caseback shows the divers helmet, like you may know from theZillas. A calender chart shows when the battery needs to be changed(same as for example the Seiko Sawtooth has).




The crystal is is the well-known mineral glass, it's flat. That's all there is to say about it...


As already mentioned above, it was on a rubber strap which wasreplaced. This watch can also be worn on bradcelets, e.g. a 22mmstraight end Watchadoo, looks quite good actually!

Photo taken from: http://forums.watchuseek.com/showthread.php?t=75659


I guess the bezel – apart from it's rarity – is what makes this watchso special. It can only be operated when pushed down. Doing this you'llreduce the thickness of the watch from 15.5 to 14.5mm.



Release it and it'll pop up again, pushed by (some?) springs. Theblocking is (obviously) covered and it's a part of the case at threeo'clock. That means that once the mechanism is worn out (which hasn'tbeen the case in this watch), you'd be able to operate the bezelwithout pushing it down. Of course, due to this mechanism, the bezelhas a little "play" compared to the normal ones. For example, if youclap your hands real hard, you can hear a sound from the bezel. It has24 "teeth", which give it a real rugged look.


A (more or less) similar bezel was used for the Aquamount.
It has 60 clicks and can be turned anti-clockwise. The outer Ψ is 42mm,inner Ψ is 28mm. The golden cyphers are raised/machined away. Lume dotat 12, numbers every 10 minutes.


The dial has golden markers and capture, the Promaster-logo is red andthe "800m" white. The hands are golden, too. The lume fades, but that'skind of normal for a almost 20-year old watch.

Closing comment

This is a rare watch, the chance of bumping into somebody that wearsit/owns it/knows it equals zero I guess. It's a good everyday watch,there's no complaint about the wear.

Though, I wouldn't take it diving, because it seems to be really hardto find spare parts or even somebody that can do the servicing/pressuretesting. Citizen Germany denies to service it, because the don't havethe spare parts any more.

As written above, the bezel is very special, but has it's cons, too.But one more good thing about it is, that even if you hit something,the bezel is pushed in, so I believe that this mechanism prevents somedings...
I really like the watch, the golden hands and markers look cool and thewatch runs perfectly. Plus, the caseback is wicked, I think.

Some more pics:




The bigger brother:

Photo taken from: http://forums.watchuseek.com/showthread.php?t=75659

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Old 12-11-2012, 10:32 AM   #2 (permalink)
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Default Re: 1991 Citizen AJ0080-08E 800m Titanium Professional Diver Review

Damn! Great watch!

I'm falling more in love with that beefy model every time I see one. I like the utility of that beast... no bollocks and will probably outlast the wearer. Thanks for the review!
“When you start trying to analyze or explain something, you lose the very essence of the thing. And life itself is beyond all definitions, you only need to experience it and live it.” Jacques Mayol
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Old 03-10-2013, 11:36 AM   #3 (permalink)
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Default Re: 1991 Citizen AJ0080-08E 800m Titanium Professional Diver Review

the little brother 300m also cool enough
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Old 07-17-2014, 10:10 PM   #4 (permalink)
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Default 800 Meter Diver

I have had two of the 800M Divers over the years and I think they are pretty cool. I just don't like battery powered watches. If they had put an Eco-Drive motor in them I would still own one. I also did not like the fact that they did not make a bracelet option for it.
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