The Seiko 1221-5430 is a watch model based on the 1221 movement.
Parts List
| ESRN77JN00 | crystal - crystal (inorganic) |
| 30N63NA1 | crown - crown |
| 0H1650B01 | case back gasket - case back gasket |
| HK25A | band - leather band |
| 3BA075F1BNG | others - second hand |
| 1AA042A1BNG | others - hour hand |
| 07P27DGH | others - hour hand |
| 07P27DGM | others - minute hand |
| 2AA065A1BDG | others - minute hand |
| 2AA065A1BNG | others - minute hand |
| 12210640XG24 | others - dial |
| 122110 | others - machine code |
| 122154302N | others - case |
| 82711170 | others - case ring |
| A100AS | others - push pin |
| 06SC11NG | others - second hand |
| 0351117 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
Caliber 1221
