The Seiko Y100-5849 is a watch model based on the Y100 movement.
Parts List
| ESBN64GN00 | crystal |
| 30MP0NF3 | crown |
| 0G0055B | case back gasket |
| 0A2700B01 | case back gasket - gasket |
| 7BS9ZY | band - leather band |
| A120BS | others - push pin (for lb) |
| 0354765 | others - winding stem |
| 82716800 | others - case ring |
| Y1004160XA1S | others - dial |
| Y10058492S | others - case |
| 09C70DGM | others - minute hand |
| 09C70DGH | others - hour hand |