The Seiko 7431-6020 is a watch model based on the 7431 movement.
Parts List
250N11JN00 | crystal |
35NA3NA1 | crown |
0G2410B02 | case back gasket |
DZ0065B01 | case back gasket - button gasket |
Caliber 7431
![Caliber manual page](https://www.theseikoguy.com/media/movements/7/7431A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/7/7431A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/7/7431A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/7/7431A_caliber_en_4.jpg)
The Seiko 7431-6020 is a watch model based on the 7431 movement.
250N11JN00 | crystal |
35NA3NA1 | crown |
0G2410B02 | case back gasket |
DZ0065B01 | case back gasket - button gasket |