The Seiko Y744-4030 is a watch model based on the Y744 movement.
Parts List
| SA3W58GM01 | crystal |
| FH2781B01 | case back gasket |
| 86177670 | crystal gasket |
| 80612542 | pusher |
| HL77A | band - leather band |
| A160CS | others - push pin |
| EG0060B01 | others - button gasket |
| 83200101 | others - button spring clip |
Other models with the same movement
| Y744-4010 |
| Y744-5000 |
| Y744-5010 |