The Seiko 5Y89-0AJ0 is a watch model based on the 5Y89 movement.
Parts List
| 270P30SN02 | crystal - crystal (sapphire) |
| 8M35E4SNW1 | crown - crown |
| 0F250BA1S | case back gasket - case back gasket |
| 86574860 | crystal gasket - plastic gasket for crystal |
| 86621890 | bezel gasket - plastic gasket for bezel |
| WBM3AW | band - leather band |
| WBM4AW | band - leather band |
| WBM7AW | band - band |
| WBM8AW | band - leather band |
| XX000 | band - band |
| WBM5AW | band - band |
| WBM6AW | band - band |
| 3BA125F1BNS | others - second hand |
| 1AH070L2BDS | others - hour hand |
| 2AH100L0BDS | others - minute hand |
| 3BA027FABNS | others - small hand (6h) |
| 3BA030F0BNS | others - small hand (9h) |
| 3BA030F0BAK | others - sub hand |
| 3BA025FABNS | others - sub hand |
| 3BX100KAANS | others - second hand |
| 1AB070A0BAM | others - hour hand |
| 2AB100A2BAM | others - minute hand |
| 3BA030F0BZ6 | others - small hand (6h) |
| 1AB070A0BAE | others - hour hand |
| 2AB100A2BAD | others - minute hand |
| 5Y890AJ0 | others - case back |
| 5Y890AJ003A | others - case |
| 85941069 | others - bezel |
| 5Y890AJ002A | others - case |
| 1AF075ABBNS | others - hour hand |
| AC006BAD1 | others - crown and stem gasket |
| 82726520 | others - case ring |
| 5Y890AJ001A | others - case |
| 85941049 | others - bezel |
| 0354530 | others - winding stem |
| A180BS | others - push pin |
| 2AF105A0BNS | others - minute hand |