Question about Casio Atomic-Solar MTG900 Watch

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I have a Casio MTG-900 solar powered watch that is 2+ years old. I have put it in the window to charge and the same day or within a couple of days it will go to blinking charge only displayed. The battery gauge doesn't even change from high to medium to low before this happens. I know that it has been in the window from sun up to sun down to try to fix this problem to no avail.

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Posted on Jan 02, 2017

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SOURCE: casio 2654 mtg 901

sounds like it might not be getting enough sunlight. If it has the solar cell in it tape it to the inside of your window for a weekend. If it doesn't charge up the battery enough to make that bar quit flashing then you may need to have the battery changed.

Posted on Jul 17, 2007

SOURCE: my light keeps coming on when i move my wrist, wearing down the battery

press and hold the light button and it will turn off the auto back light.

Posted on Jan 03, 2008

SOURCE: casio waveceptor watch

how can I set the day of the week

Posted on Mar 17, 2008

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SOURCE: casio g-shock mtg-900 gets ERR when trying to set atomic time

Did you go to Casio and download the manual? I just did after my battery change and I hoping it updates tonight at 2,3, or 5am with my watch in the window.

Posted on Nov 28, 2008

escapement
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SOURCE: My Casio tough solar watch refuses to charge. it

Your CASIO needs CAPACITOR replacement. Capacitor is the cell accumulating energy from any source of light. Go to your closest watch repair shop and ask to fix it. You do not need to visit any particular CASIO dealer. All capacitors/batteries can be exchanged at any watch repair shop. Rate me, plz.

Posted on Feb 05, 2010

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stick the mtg900 in a window sill for a day and that should charge it completely. If that does not work that means you will need a new capacitor. It might be easier at that point to buy a new or pre owned on ebay . they go for like 60 dollars or so.
even though they are solar they still need a battery to store the electricity needed to run the watch. A capacitor will need to be replaced from every 5 to 10 years.

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I have a watch which is solar type and the instructions say that several hours of sunlight will charge the battery but lamps need much longer (1 -2 days!), my watch now is left in a drawer.

If you haven't got instructions for your watch, to check what Casio recommend, you can get them on the net.

You can get instructions from the Casio web site.

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I need manual for Casio G-Shock MTG-900 please can you send me the manual in my mail.


you can get
instructions from the Casio web site.

Go to the casio web site "casio.com".

Select "support" and the "manuals",
watches;

Accept terms

Select "watch manual archive"

Read the number of the back of your watch and enter it into the search box

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Casio g-shock mtg-900 gets ERR when trying to set atomic time


Did you go to Casio and download the manual? I just did after my battery change and I hoping it updates tonight at 2,3, or 5am with my watch in the window.

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sounds like it might not be getting enough sunlight. If it has the solar cell in it tape it to the inside of your window for a weekend. If it doesn't charge up the battery enough to make that bar quit flashing then you may need to have the battery changed.

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