The Seiko 5Y30-5B89 is a watch model based on the 5Y30 movement.
Parts List
| BA5N01JN01 | crystal |
| BA5N01JN | crystal |
| 30N37NN1 | crown |
| 0H2650B01 | case back gasket |
| 0H2650B0 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| B1496G | band |
| 08T01DGM | others - minute hand |
| 0351671 | others - winding stem |
| 08T01DGH | others - hour hand |