The Seiko 7431-5100 is a watch model based on the 7431 movement.
Parts List
SA3W47HN00 | crystal |
35M27NA1 | crown |
0G235BAA3 | case back gasket |
86564250 | crystal gasket - plastic gasket for crystal |
LK46B | band - leather band |
LK47B | band - leather band |
3AA125F1ANG | others - second hand |
EB0055B01 | others - crown and stem gasket |
0354077 | others - winding stem |
743110 | others - machine code |
7431510075 | others - case |
743151007N | others - case |
74315150XG18 | others - dial |
74315150XS18 | others - dial |
82700550 | others - case ring |
A180BS | others - push pin |
10P11CGH | others - hour hand |
10P11CGM | others - minute hand |
10SC25T1 | others - second 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)