The Seiko Y591-5039 is a watch model based on the Y591 movement.
Parts List
| SA4W36GN00 | crystal |
| 35MA6NS1 | crown |
| 35MA6NF1 | crown |
| 0A1600B01 | case back gasket |
| 86564680 | crystal gasket - plastic gasket for crystal |
| 7BS9ZY | band - leather band |
| 81602309 | band - bracelet fixing pin |
| 04T02ASH | hand - hour hand |
| 04T02ASM | hand - minute hand |
| 07SC02NS | others - second hand |
| 0354705 | others - winding stem |
| 82706820 | others - case ring |
| Y5910060XS17 | others - dial |
| Y59150397E | others - case |
| EZ0058B01 | others - crown and stem gasket |