The Seiko 6431-5140 is a watch model based on the 6431 movement.
Parts List
SA7N32GN00 | crystal |
35R34NA1 | crown - crown |
0E280NA1S | case back gasket - rotating bezel gasket |
Caliber 6431
![Caliber manual page](https://www.theseikoguy.com/media/movements/6/6431A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/6/6431A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/6/6431A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/6/6431A_caliber_en_4.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/6/6431A_caliber_jp_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/6/6431A_caliber_jp_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/6/6431A_caliber_jp_3.jpg)
The Seiko 6431-5140 is a watch model based on the 6431 movement.
SA7N32GN00 | crystal |
35R34NA1 | crown - crown |
0E280NA1S | case back gasket - rotating bezel gasket |