The Seiko 7431-5210 is a watch model based on the 7431 movement.
Parts List
SADN91HN00 | crystal - crystal |
35NH3NA1 | crown |
35NH3NS1 | crown |
0H2500B01 | case back gasket - case back gasket |
DZ0065B01 | case back gasket - button gasket |
JK05A | band - band |
LK40D | band - band |
JK06A | band - band |
10P07CGH | others - hour hand |
10P07DGH | others - hour hand |
11P15ASH | others - hour hand |
11P15ASM | others - minute hand |
2AA100A1BCA | others - minute hand |
3AA125F1A6S | others - second hand |
3AA125F1ANG | others - second hand |
11P15AGH | others - hour hand |
11P15AGM | others - minute hand |
74315210 | others - case back |
7431521025Y | others - case |
743110 | others - machine code |
74315270XB14 | others - dial |
74315270XG18 | others - dial |
74315270XS17 | others - dial |
74315680XG18 | others - dial |
A190BS | others - push pin |
7431521025A | others - case |
10P07CGM | others - minute hand |
0354077 | others - winding stem |
7431521011 | others - case |
82711390 | others - case ring |
7431521025 | others - case |
1AA070A1BAA | others - hour hand |
1AA070A1BNG | others - hour hand |
10SC23T2 | others - second hand |
10SC23T1 | others - second hand |
2AA100A1BDG | others - minute hand |
10P07DGM | others - minute hand |
11P15NGH | others - hour hand |
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)