Place a towel on a flat surface. remove the back of the watch using a minurature screwdriver to remove the screws. Use a pair of tweezer to remover the spring holding in the battery. remove the old battery and replace it with a new one. Reeplace the spring to hold in the battery and then replace the back.
Calculator watches have existed since the 1970's while the most popular brand was Casio, the Japanese electronics company. The first Casio calculator watch was launched around 1985.
Casio CA53W1 Calculator Watch is the best model especially for those who will put it to good use.
You can get a new battery for your Casio 2638 G-Shock watch at most jewelry store. The jewelry department at Walmart and Target sells batteries for Casio watches.
Casio has a digital watch that claims 10 yrs of battery life.
To replace the battery in a Casio 1827 watch, place a soft cloth under the face of the watch to prevent scratches. Locate the small dent on the back of the watch and slide the blade of the knife under the back so that it pops off. Remove the old battery, replacing it with a new one and returning it to the same position. Replace the back of the watch.
Sony SR1116W
If the second hand of your Casio watch is not moving, it could be a sign that the battery needs to be replaced. It's also possible that there is a mechanical issue with the movement of the watch that may need to be checked by a professional watchmaker.
The Atomic watch by Casio receives a time calibration signal six times a day to ensure time accuracy. Many models also have a rechargeable solar power battery.
Casio is a watch factory from Korea
To get Casio watch manuals search Google with ''casio watch manual site:casio.com'' which displays the the URL of a webpage (http://world.casio.com/wat/download/en/manual/) where it was possible to get a PDF document by entering the watch's code in a type-in field.
http://ftp.casio.co.jp/pub/world_manual/wat/en/qw1301.pdf
I changed the battery in the watch and don't know how to set it. I keep getting an ERROR and won't connect!