Older pocket watch: Westclox Mark 400 1975? plastic "crystal" cover is broken; needs replacing.

Take it to a jeweller/watch-clock maker or remove the back for access.

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Well Melissa, you have about a hundred parts or more in the watch. If anyone of them is dirty, broken or whatever your watch will not run. You need to go talk with a watchmaker (not a jeweler) about your watch. If your watch hasn't been "overhauled" in the last ten years then that is most likely what is indicated. Watch oils and greases evaporate or turn to a scummy mess which may be the problem. Or you may have a broken balance staff. Or you may have rust and dirt built up to the point the watch can't overcome it.

If you have a plastic crystal, you can use plastic polish (I like Novus #2, myself) to buff out small scratches. In a pinch, white toothpaste (not the gel kind) contains gentle grit and also will buff out some imperfections in a plastic watch crystal. Toothpaste is harsher than plastic polish, however, and may remove deeper scratches at the cost of creating some additional fine scratches.
If your watch crystal is made of mineral glass, scratches cannot be easily polished out. In that case, your best solution would be to take it to a jeweler or watch repair facility to have the crystal replaced. Depending on the style of the watch, replacing a crystal can be as little as $15--or run to well over $100 for some diver's watches. If you're not comfortable with the estimate, get another one elsewhere. Crystal replacement is a high profit margin job for many jewelers. Not everyone is equally greedy.

I have the same problem after only 3 weeks. Did you get any compensation?

mcdevito75 here, look for any small watch repair shop in your area for replacement crystal.

Hi Chris,

Skagen watches have very thin domed crystals and they do break. Because of how thin they are it doesn't take a lot of pressure to break the crystal.

Crystals are not something any watch company covers in their warranty.

The crystal can be replaced. Either Skagen can replace them or a qualified watchmaker can. Prices vary and it would depend on how much you are willing to spend as to if it was worth it to you.

You do not need to go all over the world to find replacement for your watch glass. You have plenty of excellent watchmakers in France. I've been there, so, I know. All you have to do is to find your nearest watch repair shop and bring your watch in. Watchmaker will get all the measurements and will replace the glass.
Rate me, plz.

I used to work with jewelry. !!BEWARE!!
This method is for face crystals that are completely FLAT! Any convex crystal will shatter without proper tools!!!
Any method of putting the watch cover back with the watch remotely near water/moisture is a mistake. The watch will rust sooner or later.
So if you don't want to pay a jeweler five dollars to put it back on, this is what I did to my sister's watch cover when I could not snap it back.
I took my cushy 1/4 inch mousepad to a vise. You may not have a vise. If you don't, stop reading now and take the watch to a jeweler --one who replaces batteries.
Inside the vise jaws, I used a 5 inch square piece of wood, then my cushy mousepad, then the watch facing the pad, then the back in the right place for restoring.
!!!!NOTE: Not having the back in the right place will smash the stem and damage can/will result!!!
To push the back on, I picked a 12 point socket out of my socket set that was the same DIAMETER as the watch back and placed it CENTERED behind the back.
Recapping, inside vise:

• small board
• cushy mousepad (to avoid scarring and crystal breakage
• watch crystal facing mousepad
• watch back in correct position
• ratchet socket the same diameter as watch back centered behind cover

Slowly I positioned all these items with minimal pressure. Then when I was sure that I was ready (and prepared to hear the crystal break) I put as little pressure closing the vise that I could. The I heard a snap, and to my relief, it was the back going in!

I DO NOT RECOMMEND THAT YOU DO WHAT I DID. People with broken watch crystals become very IRATE when "all it needed was a battery"!

A screw clamp would also give adequate pressure. Any unsupported direct pressure over the crystal will shatter it!

Hope this helped.
Good luck!!!!

Hi,

You can contact Kenneth Cole in the address below:
Kenneth Cole Geneva Watch Co Inc
47-50 33rd
Long Island City, NY 11101
Phone: (718) 729-8600
Fax: (718) 729-8761
They will direct you to their parts department.

Goodluck..