The Seiko Y481-7790 is a watch model based on the Y481 movement.
Parts List
| SAHN97LM01 | crystal |
| SAHN97LM02 | crystal |
| 35E17NS1 | crown |
| 0G2125B01 | case back gasket - case back gasket |
| 561LE | band - leather band |
| 563LE | band - leather band |
| A120BS | others - push pin (for lb) |