The Seiko 1221-5650 is a watch model based on the 1221 movement.
Parts List
| ESWN07SN00 | crystal - crystal (sapphire) |
| 27N01DH5 | crown - crown |
| 0F170NA11 | case back gasket |
| MK26B | band - leather band |
| 08S01CGH | hand - hour hand |
| 08S01CGM | hand - minute hand |
| 12210940XG14 | others - dial |
| 122110 | others - machine code |
| 122156504FA | others - case |
| 82718710 | others - case ring |
| A120AS | others - push pin |
| 0351117 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 08SS09VG | others - second hand |
| 07SS09VG | others - second hand |
Caliber 1221
