The Seiko Y481-6740 is a watch model based on the Y481 movement.
Parts List
| SADN25LM10 | crystal |
| SADN25LM40 | crystal |
| SADN25LM50 | crystal |
| SADN25LM60 | crystal |
| 35ND3NN1 | crown |
| 35ND3NS1 | crown |
| DH0070B01 | case back gasket - crown and stem gasket |
| 0H2450B01 | case back gasket |