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I'm trying to replace the crystal on my Citizen Navihawk C300.I've already removed the bezel but I don't see a notch on the crystal retaining ring.Does the crystal come out from the top or do I have to remove the movement then push the crystal out.Needless to say,I already searched for a tech manual to no avail.

Thank you,
Jacques
 

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I'd say it's always good practice to remove the movement first anyway, as it's really easy to lunch the dial / hands.
 

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Craftsman
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I've done a few of these. You need to remove the movement (remove the mode select pusher at 4pm, then the plastic movement holder, then the movement itself), you can then push the crystal out.




the pusher to remove is top right in this picture. See the words PUSH on the metal lever. If you depress the small dimple then the pusher can be pulled out.

You don't actually have to remove the bezel to replace the crystal.
 

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Thank you for this, as I can find little on the net regarding this watch. Mine is actually the Accurist World Time version that I bought new back in about 1999. Due to this informative post I've been able to take the movement out with ease. I have a replacement crystal, but which way do I need to push the old one out? Also if I need to glue the new one in, what glue should I use?
 

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Craftsman
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The crystal will push out (so not into the watch). You really need a crystal press to do this - supporting the case with a hollow die that is big (wide) enough to take the crystal as it is pressed out.

To fit the new crystal you will need a press - it is pressed into the hard nylon gasket. Make sure (if you do this) that the crystal is flat when you start to apply pressure to press it in.

If you can post a picture of your watch it will give us all an idea what you are trying to do.
 
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