The Seiko 1221-0150 is a watch model based on the 1221 movement.
Parts List
| 175N27SK01 | crystal - crystal (sapphire) |
| 25N09DE1 | crown |
| 0G1820B01 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 3K03A | band - leather band |
| 81833535 | band - other |
| 06P73VGH | hand - hour hand |
| 06P73VGM | hand - minute hand |
| 06SC273G | hand - second hand |
| 12210150GC | others - case |
| 122110 | others - machine code |
| 12211210XS14 | others - dial |
| 12211270XS14 | others - dial |
| 07SC35VG | others - second hand |
| 06SC293G | others - second hand |
| 82706670 | others - case ring |
| A100AS | others - push pin |
| A120AS | others - push pin |
| 0351117 | others - winding stem |
| 06P75VGM | others - minute hand |
| 06P75VGH | others - hour hand |
Caliber 1221
