The Seiko 1220-5280 is a watch model based on the 1220 movement.
Parts List
ESYN99JN01 | crystal |
30N99NA1 | crown - crown |
0F150NA11 | case back gasket - case back gasket |
DZ50A | band - metal band |
05R37DGH | others - hour hand |
DZ0040B01 | others - crown and stem gasket |
0351117 | others - winding stem |
81606439 | others - bracelet fixing pin |
81180229 | others - bracelet fixing pipe |
12200480XG14 | others - dial |
12200490XB14 | others - dial |
122010 | others - machine code |
1220528025 | others - case |
82731370 | others - case ring |
05R37DGM | others - minute hand |
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)