We offer free battery verification service throughout our store. As long as you take photos of the front and back of the battery and send them to us via message.

The 3023 5MZ or 3023 5MY capacitor is a version of the MT920 cell with tags as shown. This capacitor is used in the Seiko 5M22, 5M23, 5M25, 5M42, 5M43, 5M45 modules and in other Seiko watches with the following watch movement calibres:
Seiko 5M22 5M22A 5M23 5M23A 5M25 5M25A 5M42 5M43 5M45 5M45A 5M475M82 5M83 5M84 7M22B (not the same as the 7M22A)
Pulsar YT52 YT57 YT58 YT52A


Dear customer, hello.
First of all,Installing a wrong part number of battery will harm your watch.So if you are unable to determine the model of your watch battery, please take a clear picture of the front and back of the battery and send it to us by messages.
Our engineer will help you confirm the correct part number. We are unable to identify the corresponding battery model when taking photos or sending the watch model. Please understand. Wishing you a pleasant shopping experience. Thank you very much for your purchase.

A brand new photodynamic battery should be properly installed inside the watch and exposed to sunlight for seven to eight hours to charge and activate. If it is confirmed that the installation is correct, but still cannot be charged, it is recommended to find a professional technician to check the negative electrode of the watch and whether the battery storage function of the watch movement is damaged. Our products are tested by engineers before shipment for customers' right. .

We have watch batteries manufacturer ordering resources.Promise lowest price, best quality.

There are thousands of integrated circuit products that we haven't put on the shelves, so if you need a product that can't be found in our store, please send a private message to the customer service personnel, and the customer service personnel will reply to you 24 hours online.

Over 20 years experience,exports exceed 20 countries,only original stock is sold, this is how we keep good quality and competitive prices for global valued customers.
Our main brands include Texas Instruments,STMicroelectronics,NXP,AnalogDevice,Microchip,Atmel,ON,XLINX,Micron,Infineon,Samsung,etc
If any product meed your demand, please feel free to contact us.Small order samples can be accepted if price content.
We're sure your any inquiry or requirement will get prompt attention.

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2. Thank you for your consideration, and please feel free to contact us if you have any questions.
3. Please contact us or email us before leaving any negative feedback or opening any dispute on the site. We will help you to resolve the
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