The Seiko 1221-5610 is a watch model based on the 1221 movement.
Parts List
| AA20B | band - metal band |
| 3AA125F3ANG | others - second hand |
| 10P53NGH | others - hour hand |
| 10P53NGM | others - minute hand |
| 12210870XG14 | others - dial |
| 122110 | others - machine code |
| 12215610EA | others - case |
| A180BS | others - push pin |
| 0351117 | others - winding stem |
Caliber 1221
