The Seiko Y204-0030 is a watch model based on the Y204 movement.
Parts List
| 300T07ANS0 | crystal - crystal |
| 9M50D9SNA0 | crown - crown |
| 0F240BA1S | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| FF46AW | band - band |
| 3AA125F3ANG | others - second hand |
| 1AE082LABTG | others - hour hand |
| 2AE120LCBTG | others - minute hand |
| 150P01L40A | others - crystal(case back) |
| 0351421 | others - winding stem |
| 82845250 | others - case ring |
| Y204003079A | others - case |
| A180BS | others - push pin |
Other models with the same movement
| Y204-0010 |
| Y204-0020 |
| Y204-0050 |
| Y204-5000 |
| Y204-5010 |