The Seiko 5Y30-5309 is a watch model based on the 5Y30 movement.
Parts List
| SAAW46JN01 | crystal |
| SAAW46JN | crystal |
| 35M82NA1 | crown - crown |
| 0A2600B01 | case back gasket |
| B1656K | band |
| B1656K-LKG | band - link |
| B1656K-BK3G | clasp - clasp |
| 5Y305309 | others - case back |
| 5Y30530975 | others - case |
| 5Y305718XG14 | others - dial |
| 5Y309 | others - machine code |
| 82803320 | others - case ring |
| A160BS | others - push pin |
| 0351670 | others - winding stem |
| 10TA4CGM | others - minute hand |
| 10TA4CGH | others - hour hand |
| 0Z0060B01 | others - crown and stem gasket |