The Seiko 1221-5610 is a watch model based on the 1221 movement.
Parts List
AA20B | band - metal band |
3AA125F3ANG | others - second hand |
10P53NGH | others - hour hand |
10P53NGM | others - minute hand |
12210870XG14 | others - dial |
122110 | others - machine code |
12215610EA | others - case |
A180BS | others - push pin |
0351117 | others - winding stem |
Caliber 1221
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1221A_caliber_jp_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1221A_caliber_jp_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1221A_caliber_jp_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1221A_caliber_jp_4.jpg)