The Seiko 5Y22-8A90 is a watch model based on the 5Y22 movement.
Parts List
| 290W93HK01 | crystal |
| 290W93HK | crystal |
| 45MA5NN1 | crown |
| 45MA5NK1 | crown |
| 0F260BAA3 | case back gasket - case back gasket |
| 0F260BAA | case back gasket |
| ZMJ21F | band |
| ZMZ14E | band |
| 0801722 | others - date dial |
| 5Y228A90 | others - case back |
| 5Y228A90RC | others - case |
| 5Y228C4LXY19 | others - dial |
| 82833730 | others - case ring |
| A160BS | others - push pin |
| 0D005BA13 | others - crown and stem gasket |
| 0351105 | others - winding stem |
| 11SC75XW | others - second hand |
| 11SC75HK | others - second hand |
| 11PG7LSM | others - minute hand |
| 11PG7KWM | others - minute hand |
| 11PG7KWH | others - hour hand |
| 11PG7LSH | others - hour hand |