The Seiko 7431-5370 is a watch model based on the 7431 movement.
Parts List
RE0W99HN00 | crystal - crystal |
32M15NA1 | crown - crown |
0F250BAA3 | case back gasket - case back gasket |
86571630 | crystal gasket - plastic gasket for crystal |
NL08A | band - band |
09P07DGM | others - minute hand |
09SC27NG | others - second hand |
08P13DGH | others - hour hand |
3BA125F1BNG | others - second hand |
EB0055B01 | others - crown and stem gasket |
0354077 | others - winding stem |
743153706M | others - case |
82721970 | others - case ring |
743110 | others - machine code |
74315510XS14 | others - dial |
A180BS | others - push pin |
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)