The Seiko 1220-5120 is a watch model based on the 1220 movement.
Parts List
| LK64B | band - band |
| 12200290XG14 | others - dial |
| 122010 | others - machine code |
| 1220512000A | others - case |
| A180BS | others - push pin |
| 0351117 | others - winding stem |
Caliber 1220
Seiko 1220-5120 Watch Guide