How do you clean the crystals? - Fossil Analog Dial AM4175 Watch for Women

It does greatly depend on the shape of the crystal. If it is an unusual shape, this would need a very skilled person to shape it correctly. If it is a regular round shape, these are easier to come by. This UK web site [link in blue] offers watch parts including crystals to give you an idea on prices. I use a vernier to measure the diameter and thickness of the crystal I wish to replace and UV activated glue to fix the replacement crystal in place and one of those UV nail lamps to cure the glue. This should be done in a clean environment and I use finger cots to prevent fingerprints. The whole process takes about 30 to 60 minutes. Any _competant_ watch repair place should be able to help you. At least you know the process now :)
Acrylic Watch Glasses Tension Rings Flat Top High and Low Dome

Mild soap and very little water on a clean rag for the band. Scratches? on the crystal it means new crystal. On the case there may not be a solution depending on whether it is plated or solid metal(Stainless, gold, etc). If sold then it could be buffed. Doesn't sound as if it is a very practical watch.

In order to replace the crystal on your watch you are going to have to remove the entire movement and use a watch press to remove the crystal.
this is not an easy job and should be done by a professional
First you will need to get a watch back opener to unscrew the back of your Tag. The three slots should fit into the back of the watch. tighten the opener until it is firmly on. then turn counter close wise until back of case comes off.
Next you will need to remove the watch hand and crown. Becareful doing this for pressing to hard will break your set leveler. You will need a thin pin pusher and look on the back of the movement for an arrow pointing toward a hole in the movement. Push down and at the same time pull the stem and crown out of movement. turn the watch right side up and the watch movement should fall out. Place movement on a very safe spot so not to damage movement or dial
now you will you be ready to remove crystal Since it is a friction crystal you will need to do use a watch case press . find two die that fit exactly the watch and crystal use a scooped side and place it on the bottom side of the watch press. Next use a flat die to place on top of the case press. place the watch face down. you will be pushing the watch crystal out from the top. Press down on the level and check to see if the crystal came loose, keep doing so till the crystal comes out.
finally you will need to measure the thickness and diameter of the crystal and find the exact size. I believe this watch has a sapphire crystal so you will need a sapphire crystal too.
Once you buy the proper crystal it is time to put the it in the watch. Place the watch face up in your watch press. and slip the crystal in through the top making sure its perfectly even all around. Slowly push down on the leveler until proper pressure is applied and the crystal snaps in.
Now you have new crystal . Clean crystal thoroughly and the inside of the case. Place watch upside down carefully place movement back in. slide spacer in . Now slide watch stem and crown back in push down again on the set leveler with pin pusher.
Place case cover on back and tighten properly to prevent water or moisture from entering and you are done.
This repair should be done by a professional especially on such a nice watch. Any watchmaker can do this job and will have the tools to do it properly

Watch crystals are pressure fitted to their cases so that they are resistant to popping out. Think of a champagne cork, and how it expands when it comes out of its bottle.
Crystals are set into cases in one of several basic methods. First, a crystal may be installed from the back--watch cases are commonly assembled before the movement is installed. So, one potential way of reinstalling your crystal is to remove the watch movement from the case (if it isn't already) and try pushing the crystal from the back forwards. If this is indeed the way it was installed, the crystal should pop into position with a noticeable click or light thump to let you know that the other edge of the crystal has found the shallow groove in which it's supposed to sit.
Second, some crystals can be installed from the front using a tool called a "crystal lift." This tool has many little fingers that compress the edge of the watch crystal so that it can be slid into the case. Pressure is then gradually removed from the crystal, permitting it to expand into the shallow groove into which it's supposed to sit. Crystal lifts are easy to use in theory but somewhat finicky in real life; the crystal must be grabbed equally by all the lift prongs or else the crystal will have a tendency to squirt out of the tool before it's been completely set.
Looking at pictures of your wife's watch, it doesn't look to me like a crystal lift would do any good. I think instead that your crystal might have been installed using a third method. Looking at the pictures, it looks like the bezel--the metal top of the watch--separates from the watch body. If this is the case, gently pop off the bezel and push the crystal into it from behind. Then, push the bezel back onto the watch movement. It's possible that the crystal is kept in place by being squeezed between the bezel and the rest of the watch case.
If all of this sounds daunting, putting the crystal back in--assuming it's not cracked--is a minor job for a watch repair technician. It literally might only take 5-10 minutes to complete the job. If you're concerned about the appearance of the watch, it might be safest to pay someone the small amount of money to get this done right. Replacing a watch crystal with a new one usually runs about $15-25, around where I live. Replacing an undamaged crystal that's popped out should cost appreciably less, since a new crystal costs a jeweler between $5-25 for most standard sizes (diver's watches and strange specialty shapes will cost more).

To be properly replaced, many friction backs cannot be snapped back in place without using a crystal press.

I recommend visiting your local Certified Master Horologist to clean the connections of the battery and install a premium Energizer silver oxide battery that will not leak. We emphasize these batteries because many other brands leak and ruin movements, costing 100.00+ in repair or replacement many times.

Many jewelry stores may also own a crystal press if it may be more convenient for you to visit them, but remember that they are not necessarily watch professionals, and if the caseback is improperly installed, your stem (which sets your watch) or your crystal may break.

Thanks for contacting FIxYa.

Use a jeweler's loupe to identify all scratches on the watch crystal. You do not have to remove the watch crystal from the watch.

Use a polishing cloth to remove dirt, grit, lint or any debris on the watch crystal. Squeeze a small amount of standard toothpaste with abrasive properties onto the watch crystal. Gently brush the toothpaste into the crystal for five minutes. Wipe clean the watch crystal. and repeat another five minutes.

Use the jeweler's loupe to inspect your progress. Repeat application if necessary. Apply Brasso polish once the watch crystal is wiped clean. This will polish the crystal to a clear, bright shine.

Apply Autosol or Polywatch to the watch crystal in the same manner as toothpaste if you prefer to use a product specifically designed for watch crystals. These products will provide the same results as toothpaste. You may also apply Cerium Oxide, a glass scratch remover used specifically in the window manufacturing industry.

Apply a small amount of 3-micron diamond paste using your finger or a Kleenex if removing scratches from a sapphire crystal. Rub the paste in for about five minutes. Remove paste with cloth. Buff the sapphire crystal with one-quarter micron buffing diamond paste for finishing.

Use a toothpick to remove excess polish and gunk that may accumulate between the crystal and the bezel that secures the crystal in place. Gently work the toothpick around the diameter of the bezel. Wipe the bezel clean with a cloth.

Buff the watch crystal with a polishing cloth.

OR..take to a local jeweler/watchmaker.
Best regards. Jewel

Taking the backs of watches can be tricky as many people have trouble putting them back on again.

This is particularly important that re-assembly is correct if there are any seals to be fitted.

I recommend that you take it to a local authorized dealer an ask him to do it for you.

If you need info on dealers, go to "www.freestyleusa.com" and a the top of the page click on "dealer locator"

Try putting your watch in a warm dry place to see if the cloudiness goes away.

If not take it to a watch repairer, as removing the mechanism (required to gain access to the crystal) can sometimes be trickier than it would appear.

Replacing the back seems to cause problems and if your watch is sealed, it can be extra troublesome.

You definetely have to ask for watchmakers help to dry out your watch properly. Moisture may not be visible to your eye, but it's still in the watch case and ruins your watch movement permanently and quite quick.
Sooner or later your watch will stop or show some other faults, but by that time the price for repair can be sky-high.
I've been replacing whole movements, just because the owners thought it's not a big deal or didn't want to pay for such a job. It just sounds 'drying out', but actually it's not, as watch must be disassembled completely (incl. movement), cleaned, oiled and properly re-adjusted.
Rolex repairs has never been cheap, but better do it as soon as possible.
Do not forget to rate, please.