The Seiko 2A22-0440 is a watch model based on the 2A22 movement.
Parts List
| 200P01HN03 | crystal |
| 200W77HN00 | crystal |
| 35M77N01 | crown |
| 0F160BAA2 | case back gasket |
| 86582790 | crystal gasket - plastic gasket for crystal |
| HK61B | band - band |
| 3BA075F1BNG | others - second hand |
| 07SC17NG | others - second hand |
| 08S59AGH | others - hour hand |
| 08S59AGM | others - minute hand |
| 0354073 | others - winding stem |
| 82701890 | others - case ring |
| EB0055B01 | others - crown and stem gasket |
| 2A220440RC | others - case |
| 0801120 | others - date dial |
| 0884142 | others - holding ring for dial |
| 2A220960XS29 | others - dial |
| 2A2210 | others - machine code |
| A120AS | others - push pin |
Caliber 2A22
