How do you use the compass bezel on an armitron watch?

Either send to Casio or get new watch. I go with the latter

This works! Loosen the bezel all the way. Pressing the bottom button, press one time the topmbottom and see how the chrononhand corrects by one second towards zero. Do it again and have it reset. Tighten the bezel. Thats it

If the watch #/size is not printed on the back of the watch, you will actually have to remove the battery to figure out what size you need. Best regards.

Mine does the same!

I had the same issue. I found that if you re-calibrate the compass the same way you did the first time, then it will act properly. I've had to do this a couple of times and it works.

Yes, there are solution for that, but you will not be able to solve it yourself as the new part is needed.
That new part is called BEZEL SPRING and it is fitted underneath the bezel.
Bezel spring has special hooks pressed into it and allows to turn the bezel one way only (anticlockwise), at the same time stopping the bezel to turn clockwise.
Another cause can be that the dirt and grime are collected between the bezel and the watch case (this is where the bezel spring is located) and is stopping functionality of the bezel spring by leting the bezel slide over the hooks. This can be fixed by cleaning the watch case in ultrasonic cleaner.
Anyway- if the bezel is rotating on its own, I suggest that the bezel spring is broke and you will need to replace it.
Do not forget to rate, please.

Your watch comes with interchangeable bezels, not faces. Bezel is a ring or rectangle (depends what shape your watch has) surrounding a glass.
All bezels are mostly friction fitted,so, to remove your bezel you need to use a strong knife blade and press it between the bezel and the case. The bezel should lift up.
To get the bezel back you have to press it into place.
For changing the strap you have to turn watch upside down and using the knife or lug tool try to squeeze sprigbar end out of the watch lug. Sprinbar is the piece which holds a strap attached to watch. The end of springbar you will find exactly where the strap is attached to watch. Push it inwards and it must come out. The rest is like 2x2.
Good luck.

You need to synchronize the watch. You can find directions to do that online, but you will likely have to do this several times a year. There are so many functions that you will occasionally need to go to synchro mode to synch everything up. It freaked me out the first time I saw this too. : )

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Cmpass (COM)
The integrated compass tells you the direction (e.g.SSW for south­southwest) as well as the number of degrees. To determine a direc­tion,hold the watch horizontally with the 12 o'clock position poin­ting in thedirection you want to know.
General information about the compass
The compass always points to the magnetic north pole.Maps are always drawn in alignment with the geographic north pole (verticallyupwards at 90 ). The declination angle denotes the deviation between themagnetic north pole and the geographic north pole. This deviation depends onwhere you are located. To obtain exact results, the declination angle must beentered into the compass.Remember to change the angle when travelling abroad.Within the UKthere is no need to change the angle because deviati­ons are only slight.Overleaf you will find a table showing the declination angles for a number ofcities around the world.A fault has occurred if the display shows"ERR" while taking a direction or calibrating the compass. Thecompass must be re-calibrated (refer to section after next) .
Table of declination angles
Amsterdam 01 W Little Rock 03 E San Francisco 15E Atlanta 04 W Livingston, MT 14 E Seattle 19E Bombay 01 W Munich01 E Shanghai 05W Boston 16 W NewYork City 14 W Toronto 11W Calgary 18 W Orlando 05 W Vancouver 20W Chicago 03 W Oslo 02 W Warsaw 04E Denver 10 E Paris 02 W Washington DC 10W Jerusalem 03 E Prague 02 E London 03 W Rio de Janeiro 21 W

It is primarily cosmetic - the bezel was originally designed for diving, military activities or similar where counting down time was critical. Before digital stopwatches etc were built into watches as a feature, what you did as a diver was turn the bezel to the time (say 30 minutes) of air you had left, then the minute hand would travel around the face to the position 0 on the bezel, telling you 30 minutes had passed. You often find compass directions, various job specific calculators etc on bezels also, but unless you need a stopwatch / time reminder and don't have that feature in the watch itself, then it is purely a tradition to include a rotating bezel. The original bezels would have the time markings going the opposite way to the watch face usually, however on many modern watches, they often go the same way, allowing you to see how much time has passed, rather than how much you have left. Hope this clears things up :)