The Seiko Y143-5100 is a watch model based on the Y143 movement.
Parts List
| BA2W56LN01 | crystal |
| 35M82NS1 | crown - crown |
| 0A2700B01 | case back gasket - gasket |
| GA75B | band - metal band |
| 11C48NSM | others - minute hand |
| 0354866 | others - winding stem |
| A180BS | others - push pin |
| 11C22NSH | others - hour hand |
| 0Z0060B01 | others - crown and stem gasket |