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
