The flat top displaying the battery type, faces upwards.
Try a battery tester
The Timex watches all sip power and can go for a few years on a single watch battery.
The average cost for a battery for a Timex mens watch is $7. They start at $4 and go up to $10. They battery you need depends on the style of the watch.
Two types of batteries go into the watch. There are two (stacked) CR2016 that power the light, and then there is one 371 battery watch that powers the watch movement.
in most cases you have to go to a watch repair and let them open it. The internal parts are tiny, and the battery isnt usually an off the shelf one
Lost cost batteries has them all http://www.lowcostbatteries.com/Watch-Batteries/Lorus_m/14_mid_902.htm You could try google searching "Lours watch replacement battery, go to the Lours Watch's website, or you could check out this link: http://www.apexbattery.com/lorus-watch-battery-watch-batteries-lorus-watch-batteries.html
The back pops off on some watches. You can go to a watch store and they can put a new battery in it for you. Some others don't need a battery though. On these types when you move your wrist, the time is updated.
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The japan movement watch does require a battery. The battery in the watch will need changed frequently to keep the watch working properly.
The most important part of a watch is battery. With out a battery a watch is dead.
These tips will help you properly maintain your watch and battery regardless of which battery type your particular watch uses. Life expectancy of a watch battery varies from 18 months to 5 years. It is wise to establish a habit of replacing your watch battery every two years. Dead batteries can leak and damage your watch. Purchase a replacement battery only, when you are ready to use it.
You can purchase a new watch battery at any jewellers or most places that sell watches. Most places that sell watch batteries will replace the battery for you, and they usually come with a guarantee depending on the watch and the battery.