The Seiko Y480-7640 is a watch model based on the Y480 movement.
Parts List
| ESJN55LM10 | crystal |
| ESJN55LM40 | crystal |
| ESJN55LM50 | crystal |
| 35D03NS1 | crown |
| 35D03NN1 | crown |
The Seiko Y480-7640 is a watch model based on the Y480 movement.
| ESJN55LM10 | crystal |
| ESJN55LM40 | crystal |
| ESJN55LM50 | crystal |
| 35D03NS1 | crown |
| 35D03NN1 | crown |