The Seiko Y580-5049 is a watch model based on the Y580 movement.
Parts List
| RE4N54GN00 | crystal |
| 30E02NF1 | crown |
| 30E02NS1 | crown |
| 30E02NA1 | crown |
| 7BS9ZY | band - leather band |
| 05R01CHM | others - minute hand |
| 82715160 | others - case ring |
| T060BS | others - push pin |
| Y5800 | others - machine code |
| Y5800050XG28 | others - dial |
| Y58050492S | others - case |
| 0354902 | others - setting/winding stem |