The Seiko 1221-0180 is a watch model based on the 1221 movement.
Parts List
| 180A01SN01 | crystal - crystal |
| 180N75SN00 | crystal |
| 27M03DA5 | crown - crown |
| 0G1820B01 | case back gasket |
| 07S25DGH | others - hour hand |
| 07S25DGM | others - minute hand |
| 1221018025A | others - case |
| 12210180JBA | others - case |
| 122110 | others - machine code |
| 12211290XG14 | others - dial |
| 12211290XS14 | others - dial |
| 82813710 | others - case ring |
| DZ0040B01 | others - crown and stem gasket |
| 0351117 | others - winding stem |
| 07SS09VG | others - second hand |
Caliber 1221
