The Seiko Y101-5400 is a watch model based on the Y101 movement.
Parts List
| RE3N40GN00 | crystal |
| 35M98NF1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| DA2700B01 | case back gasket |
The Seiko Y101-5400 is a watch model based on the Y101 movement.
| RE3N40GN00 | crystal |
| 35M98NF1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| DA2700B01 | case back gasket |