The Seiko Y100-4199 is a watch model based on the Y100 movement.
Parts List
| SADN92LN01 | crystal |
| 30MP0NF3 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2520B01 | case back gasket |
| LOCALS | band - metal band |
| 0354765 | others - winding stem |
| 82718340 | others - case ring |
| Y10041992S | others - case |
| Y1004640XS19 | others - dial |
| 08C82AGM | others - minute hand |
| 08C88AGH | others - hour hand |