The Seiko 1220-5230 is a watch model based on the 1220 movement.
Parts List
| RECN55JV01 | crystal - crystal |
| 30NE3NA1 | crown |
| 0F190NA11 | case back gasket |
| 0F210NA11 | case back gasket |
| AB22A | band - band |
| 1DE042LABDG | others - hour hand |
| 2DE062LABDG | others - minute hand |
| 07R29DGH | others - hour hand |
| 07R29DGM | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351117 | others - winding stem |
| 12205230HE | others - case |
| 82722710 | others - case ring |
| 12200400XN14 | others - dial |
| 12200590XN14 | others - dial |
| 122010 | others - machine code |
| A160BS | others - push pin |
Caliber 1220
