The Seiko 1221-0170 is a watch model based on the 1221 movement.
Parts List
| 195W77SV01 | crystal - crystal (sapphire) |
| 27M01DA4 | crown |
| 0F160BAA5 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 86564370 | crystal gasket |
| MK63C | band - leather band |
| MK64C | band - leather band |
| 08S59CGH | hand - hour hand |
| 08S59CGM | hand - minute hand |
| 08S71VGH | hand - hour hand |
| 08S71VGM | hand - minute hand |
| 08SS13VG | hand - second hand |
| 12210170 | others - case back |
| 122101707NA | others - case |
| 122110 | others - machine code |
| 12211280XS14 | others - dial |
| 12211330XS14 | others - dial |
| 82813710 | others - case ring |
| A120AS | others - push pin |
| 0351117 | others - winding stem |
Caliber 1221
