Seiko Capacitor 302324X DIY Kit with tools

Seiko Capacitor 302324X DIY Kit with tools

Item Specifications
Our PriceUS$19.99
SKU752538
Weight.25 lbs.
Voltage1.5V
Capacity4mAh
ChemistryManganese Titanium Lithium
BrandSeiko
Mfg #302324X
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The Panasonic MT920 is a button-type titanium carbon lithium rechargeable lithium-ion battery that uses lithium titanium oxide as the positive material, carbon as the negative material, and organic electrolyte. Sometimes Panasonic will insert a "A" or "F" i.e. "MT920F" for their internal use and is the exactly same as MT920.

Panasonic MT920 specifications CLICK HERE

We sell genuine fresh Japan design (secondary) rechargeable watch batteries (also known as capacitors) and regular Japan (primary) watch batteries for Japan timepieces. We offer the best solution based on our experience, expert guidance and proven success with thousands of customers

OUR Do It Yourself KITS
 containing these user replaceable genuine Seiko factory capacitors can save you some serious time and money. These are fresh sealed factory tested products. Some timepieces will have the second hand skip to indicate low battery level and this is a reminder to replace the power cell. We have thousands of successful and happy DIY customers that have replaced their power cell. If your watch does not work it may be a problem that cannot be solved by replacing the power cell. Make sure of this before you order anything.

Use this to clean the watch when you open it Battery Saver   

Your other option is to return the watch to the factory for an expert tune-up and we recommend this if you don't mind the expense because they will fully clean and pressure test (if necessary), put new seals and a new capacitor and guarantee their work. They may not give a price over the phone and ask you to send it with a prepaid return. This is fair because they have to evaluate the condition in order to price-out the solution. 

Our solution is low cost and fast and is for those who have watched the YouTube videos and are confident of a DIY solution. We do not recommend using a store or kiosk because of their inexperience. Either do it yourself or return to the factory for a trusted tune-up; don't be otherwise sorry with an expensive botched job or incompetence.

Please before you order compare our image with your existing power cell; the MT920 power cell has many Seiko versions which are not interchangeable. Each MT920 Seiko version is designed for a specific timepiece and caliber or watch movement. Only order after you compare and diligently verify you've selected the correct Seiko version of the MT920 your timepiece requires. This is easy to do. We do not accept returns on opened product which are non-resaleable after being opened and handled.

Please do not use a battery tester or volt ohm meter as these cells may be ruined by testing and they may not indicate the normal voltage of a regular 1.55v disposable watch battery. Please do not handle with your fingers as static electricity, body oil and contaminants may damage the cell. Please only handle with supplied anti-static tweezers and finger cots. 

If you use a shop or kiosk they probably have never been trained or even seen a rechargeable watch battery, these are not the folks to work with. Ask if they know how to replace a rechargeable watch battery! They often will install as a replacement a regular 1.55v cell replacement which could harm your watch. Make sure you get the original power cell returned to you in a plastic bag or envelope and you mark the date on it. Follow this same procedure for rechargeable coin cells some watches use and we also sell these.

Please note that the MT920 is the basic battery or capacitor engine for many different configurations; look at all the search results for the MT920 and eyeball match to verify and confirm if you have any doubts. Why waste money taking your watch to a shop when you can do it yourself. These capacitors may resemble a battery but their function is very different. The capacitors on the kinetic oscillator watches recharges just by body movement while the capacitors on the solar cell watches are powered by all sources of light, outdoors and indoors. 

To repeat, the MT920 is the basic power source and engine for a handful of watch capacitor designs. I can help you or you can visually match all the MT920 designs to eyeball-verify the correct one (such as the Bulova MT920). Capacitors can be used with Citizen, Miyota, Seiko, Bulova, Hattori and Casio watches designed for them. Please make sure that you are purchasing the correct battery/capacitor; please match up the first four characters (ex. 5M22, 5J32, 7820) of your movement. Your movement number can usually be found on the the case back of your watch (the model number always has a dash or hyphen i.e. "5M22-012XY" or on the movement itself inside the watch case. Please make sure to check the movement number carefully and remember we want to answer questions you might have and make sure you get the correct watch capacitor model. For questions call us at 800-824-4899 or 305-238-7200.

" Capacitors are storage devices and do not necessarily come already fully charged. The customer needs to charge the watch after inserting the capacitor, either by oscillating motion or a Seiko Kinetic Recharger. They should not be tested - a battery tester will not give an accurate reading. Most of the time, the capacitor itself is not defective. Sometimes the brass connector may not be seated perfectly and may be the problem " Fully recharge your watch before wearing again, under sunlight in a cool location 12 hours or under a fluorescent light about 9-12" distance for at least 12 or more hours. If this does not start your watch something else may be the problem other than the power cell. 




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