Product Description:
These Seiko capacitors are the original factory replacement batteries for those kinetic and solar watches by Seiko. Our capacitors are factory sealed and brand new. We always carry the freshest stock. These capacitors all have different connectors that is specially fitted for specific movements. For example, there are multiple variations of the MT920 battery but each is fitted with a specific connector. In order to find the correct capacitor, please find your movement number to match your battery.
How to find the movement number
The movement number is usually engraved on the case back. It is usually in "XXXX-YYYY" format with XXXX being the movement number. In the diagram below, the movement would be 7N01. Once you have found the movement number, please see our reference chart to find the part number of the battery.
Seiko Movement / Part Number Reference Chart
Find the part number that matches with your movement number.
30235MZ -> 30235MY
302729Y -> 3027V1Z
30273MZ -> 30273MY
Caliber | Part # | Caliber | Part # | Caliber | Part # | Caliber | Part # |
1M20 | 302726Y | 5K25 | 302324Y | 7D48 | 302324X | V137 | 302624X |
3M21 | 30273MY | 5K2J | 302324Y | 7D56 | 302324X | V138 | 302624X |
3M22 | 30273MY | 5M22 | 30235MY | 7L22 | 302324T | V142 | 302324Y |
3M43 | 30273MY | 5M23 | 30235MY | 7M12 | 302324R | V145 | 302324Y |
3M62 | 302729N | 5M25 | 30235MY | 7M15 | 302324R | V14J | 302324Y |
4F32 | 303138N0 | 5M42 | 30235MY | 7M22 | 302324R | V157 | 302324Y |
4F56 | 303138N0 | 5M43 | 30235MY | 7M22 | 30235MZ | V158 | 302324Y |
4M21 | 30274MZ | 5M45 | 30235MY | 7M42 | 302324R | V172 | 302334T |
4M22 | 30274MZ | 5M47 | 30235MY | 7M45 | 302324R | V174 | 302334T |
4M61 | 302726Z | 5M54 | 302344Z | 8F32 | 301A95N1 | V175 | 302334T |
4M71 | 302726Z | 5M62 | 302344Z | 8F33 | 301A95N1 | V176 | 302334T |
5D22 | 302324L | 5M63 | 302344Z | 8F35 | 301A95N1 | V181 | 3027V1Z |
5D44 | 302324L | 5M65 | 302344Z | 8F56 | 301A95N1 | V182 | 3027V1Z |
5D88 | 302324L | 5M82 | 302324T | 8F58 | 301A95N1 | V187 | 3027V1Z |
5J21 | 302324X | 5M83 | 302324T | V102 | 30273MZ | V198 | 302324D |
5J22 | 302324X | 5M84 | 302324T | V103 | 30273MZ | VS10 | 302726T |
5J23 | 302324X | 5M85 | 302324T | V110 | 302726T | VS32 | 302324Y |
5J32 | 302324X | 5S21 | 302324X | V114 | 302726T | YT52 | 30235MY |
5K21 | 302324Y | 5S22 | 30235MY | V115 | 302726T | YT57 | 30235MY |
5K22 | 302324Y | 5Y75 | 302324P | V121 | 302324R | YT58 | 30235MY |
5K23 | 302324Y | 7D46 | 302324X | V122 | 302324R |