The Seiko 4J80-0100 is a watch model based on the 4J80 movement.
Parts List
| 160A02SN01 | crystal - crystal |
| 25M65DE4 | crown - crown |
| 25M65DXA | crown - crown |
| 0F150NA1S | case back gasket - case back gasket |
| WI481 | band - band |
| WI482 | band - band |
| DZ0040B01 | others - crown and stem gasket |
| 0351405 | others - winding stem |
| 82870390 | others - case ring |