The Seiko 1220-5260 is a watch model based on the 1220 movement.
Parts List
REDN21SV01 | crystal - crystal |
30M15DA5 | crown |
0Z0034B01 | case back gasket - crown and stem gasket |
0F220BAA3 | case back gasket - case back gasket |
GK63A | band - band |
08R43JGH | others - hour hand |
08R43JGM | others - minute hand |
122052600K | others - case |
82731030 | others - case ring |
12200460XB14 | others - dial |
122010 | others - machine code |
A170BS | others - push pin |
0351117 | others - winding stem |
Caliber 1220
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1220A_caliber_jp_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1220A_caliber_jp_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1220A_caliber_jp_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1220A_caliber_jp_4.jpg)