The Seiko 1221-5260 is a watch model based on the 1221 movement.
Parts List
PK07B | band - leather band |
0351117 | others - winding stem |
12210420XS14 | others - dial |
122110 | others - machine code |
122152602NA | others - case |
A110AS | others - push pin |
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)