The Seiko Y113-8100 is a watch model based on the Y113 movement.
Parts List
| 290W30GN00 | crystal |
| 40M78NS1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| 86565200 | crystal gasket |
| 86178450 | bezel gasket - plastic gasket for bezel |
| QA82A | band - metal band |
| 0354765 | others - winding stem |
| A180CS | others - push pin |
| 12C46KKH | others - hour hand |
| 12C46KKM | others - minute hand |
| 12C46KSM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12C46KSH | others - hour hand |