The Seiko 1221-5330 is a watch model based on the 1221 movement.
Parts List
| ES6W83HN00 | crystal - crystal (inorganic) |
| 32M09NA1 | crown - crown |
| 0F155BAA3 | case back gasket - case back gasket |
| 86565970 | crystal gasket - plastic gasket for crystal |
| PL24A | band - leather band |
| PL25A | band - leather band |
| 06P21DGH | hand - hour hand |
| 06P21DGM | hand - minute hand |
| 3BA075F1BNG | others - second hand |
| 07SC17NG | others - second hand |
| 07SC25NG | others - second hand |
| 0351117 | others - winding stem |
| EB0055B01 | others - crown and stem gasket |
| 12210490XG14 | others - dial |
| 12210500XB14 | others - dial |
| 122110 | others - machine code |
| 1221533075 | others - case |
| 82703910 | others - case ring |
| A110AS | others - push pin |
| 07P31DGM | others - minute hand |
| 07P31DGH | others - hour hand |
Caliber 1221
