The Seiko 5421-504A is a watch model based on the 5421 movement.
Parts List
SA7N20GN00 | crystal - crystal |
35M94NS1 | crown |
0G1900N01 | case back gasket - case back gasket |
0G0055B01 | case back gasket - crown and stem gasket |
PK65A | band - band |
08SC14NG | others - second hand |
08T02NGH | others - hour hand |
08T02NGM | others - minute hand |
A120BS | others - push pin (for lb) |
54210370XS14 | others - dial |
54211 | others - machine code |
5421504A2N | others - case |
0354705 | others - winding stem |
82705160 | others - case ring |
Caliber 5421
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_4.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_5.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_6.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_7.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_8.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5421A_caliber_en_9.jpg)