The Seiko 1221-5980 is a watch model based on the 1221 movement.
Parts List
| K00W63JN01 | crystal - crystal (inorganic) |
| 30M57NA1 | crown - crown |
| 0F140BAA3 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| XX000 | band - band |
| 81182699 | others - bracelet fixing pipe |
| 81609619 | others - bracelet fixing pin |
| 122110 | others - machine code |
| 1221145AXS24 | others - dial |
| 12215980 | others - case back |
| 1221598075 | others - case |
| 82831290 | others - case ring |
Caliber 1221
