My automic solar watch is only 16 months old and no longer seems to be holding a charge even though the battery indicator reads full sometimes. I cannot set the analog watch hands, my light flashes on for a nano-second, and, everytime I press any function, it sends the watch into "recover" mode. I love this watch and it worked fine until now. Is this a common problem? What's the fix? Please help. - Steve
I got the watch repaired about 10 months ago where the battery indicator would show low battery, the hands would show midnight and then after about an hour the watch would be normal. I spent $135 to get the watch repaired at an authorized Casio repair facility in NJ and the technician said that inert gas Casio uses to keep moisture out had leaked out and moisture got inside which basically ruined the electonics. It seems that this watch has design issues. Unfortunately Casio does not stand behind their products. Now the same thing happens again 10 months after being repaired and the hands (analog) show a different time than the digital time.
I have had a similar problem with 2 of these watches now. I got my first one Christmas of 2006 and it would be fine 1 miniute and then the hands would go to 12 and it would show low battery, a hr later it would be fine and show a full charge. After this happening 6 times I sent it back to casio and they said it was the module and wanted to charge me over $ 200.00. After I complained that I had only had the watch fopr 5 months they sent me another one. I am now having the same problem with the 2nd watch. I love this watch, but think their is a design flaw somewhere. If you are considering this watch beware.
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Re: Casio GW-1200BA G-Shock
Try taping it to the inside of your window for a couple days and see if that makes it charge up enough to act right. You might also want to make sure that you don't have the "auto light" on. If the light turns on when you tilt the watch to a 45 degree angle then press the light button for 2 seconds to shut that off. If that doesn't work for you then you are probably going to have to have the battery changed.
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Place the watch in direct sunlight of sunrise or sunset for a few weeks and also bright light but not hot light. Wear as usual in direct sunlight as the occasion allows. Once these kind of batteries are discharged, they need quite some time to recharge. Wearing a new solar watch most of the time indoors with bright light only, is normally not enough but once the battery reaches full charge, the extra bright light conditions can be relaxed.
I own the a same CASIO PRG-240 watch.I think there is no problem.Charging every solar powered watch under direct sunlight has to be made in a well lighted and ventilated area, such as balcony and never behind a window glass.Charging from LOW to FULL is a long way (see instructions).Now showing FULL and when removed after a while, MEDIUM, is normal as the battery is not really fully charged.If you use an incandescent light,place the watch at least 50-60 cm distance from it.Usually there are no great results with the incandescent light.I never use this option.
Wear your watch for a couple of days (a week for example) under sunlight as much as possible and check.If it still shows MEDIUM after a time period, may be a battery replacement will solve the problem.
Although your watch is solar-power all Eco-Drive watches contain a rechargeable battery known as a capacitor. They last longer than a regular battery but are difficult to get replaced because nobody carries them. Firstly I assure you whoever opened the watch did damage it. The solar sell is under the dial so removing the back would not have exposed it to anything. Rechargeable batteries do not hold a charge forever and do need to be replaced every 5-10 years. In order to know which capacitor you need you need to find out what movement model is in the watch (this is different than the model number of the watch you must physically look at the movement) (unlike batteries capacitors all have the same number on the cell so you need to know the movement number to order the proper size). Once you have obtained the capacitor repairing your watch because no more difficult then changing a battery. I'd ask those people to take the back off again so you can find out what movement is in the watch. Typically it's a 4 digit number but sometimes it also has letters in front of it and I've also seen them with only 3 digits. If you could supply me with the movement number I can supply you with a the proper capacitor at a price of $45 with free shipping and tracking.
Some of these eco-drive watches use a swinging weight self winding mechanism (albeit through a generator) or a solar cell under the dial, some use both. Either way the capacitor is the thing that holds the charge and once that fails it will need replacing. Sometimes not as straight forward as replacing a battery as you nay have to remove the auto weight and sometimes usually on the solar ones its just a case of popping it out and a new one in. They are quite difficult to identify and get hold of but they do differ from normal batteries as they come with 1 of the contacts attached to them to prevent fitting an ordinary battery by mistake
From your description the solar cell charges the battery and keeps it topped up. I think the rechargeable battery is the problem because when the screen goes blank the battery level drops to low and the LCD blanks out which would explain the intermittent operation of the watch. I think it is worth getting it checked out with an estimate.
On the solar charge watches, they use a chargeable Lithium battery. It is NOT an off the shelf regular battery! It is best to send the watch to the factory service rep in your area for a battery change.
In many of these models the battery is using solder contacts to the circuit board. The person changing the battery will require the original spec battery, and be equiped to do surface type soldering.
When working on this watch, the factory service will change the seals and do a pressure water resistance test. The regular corner watch service store is not equiped to do this type of testing.
Normaly, the battery in solar watches should last more than 5 years. Some are going past 10 years!
A "non" fully charged watch will sometimes "jump" seconds rather than indicate one second intervals. Charging these small solar panel watches takes forever, in BRIGHT sun. Have you tried leaving it outside, in the sunlight, for at least 12 hours?