The Seiko Y481-7700 is a watch model based on the Y481 movement.
Parts List
| SAHN89LM02 | crystal |
| SAHN89LM01 | crystal |
| 35E17NS1 | crown |
| 35E17NG1 | crown |
| 0G2125B01 | case back gasket - case back gasket |
| 523LH | band - leather band |
| 659LF | band - leather band |
| A120BS | others - push pin (for lb) |