The Seiko 1220-5270 is a watch model based on the 1220 movement.
Parts List
| REDN27HV01 | crystal - crystal |
| 40MS1NG1 | crown - crown |
| 0F215NA11 | case back gasket - case back gasket |
| LK25C | band - band |
| 81609219 | band - other |
| 81832635 | band - other |
| 87000010 | band - other |
| 05R27DGH | others - hour hand |
| 05R27DGM | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351117 | others - winding stem |
| A140AS | others - push pin |
| 1220527025 | others - case |
| 81182679 | others - bracelet fixing pipe |
| 82731150 | others - case ring |
| 12200470XG19 | others - dial |
| 122010 | others - machine code |
| REDN27HV01 | crystal - crystal |
| 40MS1NG1 | crown - crown |
| 0F215NA11 | case back gasket - case back gasket |
| LK25C | band - band |
| 81609219 | band - other |
| 81832635 | band - other |
| 87000010 | band - other |
| 05R27DGH | others - hour hand |
| 05R27DGM | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351117 | others - winding stem |
| A140AS | others - push pin |
| 1220527025 | others - case |
| 81182679 | others - bracelet fixing pipe |
| 82731150 | others - case ring |
| 12200470XG19 | others - dial |
| 122010 | others - machine code |
Caliber 1220
