The Seiko Y100-4189 is a watch model based on the Y100 movement.
Parts List
| ESDN74LN01 | crystal |
| 35M98NS1 | crown |
| 35M98NF1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A2800B01 | case back gasket |
The Seiko Y100-4189 is a watch model based on the Y100 movement.
| ESDN74LN01 | crystal |
| 35M98NS1 | crown |
| 35M98NF1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A2800B01 | case back gasket |