The Seiko 5Y30-5050 is a watch model based on the 5Y30 movement.
Parts List
| SAFN40JM01 | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2702N01 | case back gasket - case back gasket |
| B1583G | band - metal band |
| B1583G-BK5G | clasp - clasp |
| 0351670 | others - winding stem |
| 5Y305050 | others - case back |
| 5Y30505025 | others - case |
| 5Y305060XG14 | others - dial |
| 5Y305070XG14 | others - dial |
| 5Y309 | others - machine code |
| 82803560 | others - case ring |
| A160BS | others - push pin |
| 08T32DAM | others - minute hand |
| 09T38DAM | others - minute hand |
| 09T40DAH | others - hour hand |
| 08T32DAH | others - hour hand |