The Seiko 1221-5480 is a watch model based on the 1221 movement.
Parts List
| ESBN95HN00 | crystal - crystal (inorganic) |
| 32M09NA1 | crown - crown |
| 0F160BAA1 | case back gasket |
| 86174110 | crystal gasket - plastic gasket for crystal |
| ML20A | band - leather band |
| 07P13DGH | hand - hour hand |
| 07P13DGM | hand - minute hand |
| 07P21CGH | hand - hour hand |
| 07P21CGM | hand - minute hand |
| 07P21DGH | hand - hour hand |
| 07P21DGM | hand - minute hand |
| 1AA045A1BAA | others - hour hand |
| 3BA075F1BNG | others - second hand |
| 2AA070A1BAA | others - minute hand |
| 07SC17NG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| A130BS | others - push pin |
| 12210710XG18 | others - dial |
| 122110 | others - machine code |
| 12211180XL14 | others - dial |
| 1221548075 | others - case |
| 82711130 | others - case ring |
| 0351117 | others - winding stem |
Caliber 1221
