The Seiko 5Y30-5090 is a watch model based on the 5Y30 movement.
Parts List
| SAAW22JM01 | crystal |
| SAAW22JM | crystal |
| 35MA8NA1 | crown |
| 0A2500N01 | case back gasket - rotating bezel gasket |
| B1584G | band |
| B1584C | band |
| B1584C-BK5S | clasp - clasp |
| B1584G-BK5G | clasp - clasp |
| 0351670 | others - winding stem |
| 5Y305090 | others - case back |
| 5Y30509075 | others - case |
| 5Y30509079 | others - case |
| 5Y305210XG14 | others - dial |
| 5Y305220XS14 | others - dial |
| 5Y305230XG14 | others - dial |
| 5Y305240XG14 | others - dial |
| 5Y305250XS14 | others - dial |
| 5Y305260XG14 | others - dial |
| 5Y309 | others - machine code |
| 82801780 | others - case ring |
| A160BS | others - push pin |
| 09TC0DGM | others - minute hand |
| 09T32DAM | others - minute hand |
| 2BH090A0BAA | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 09TC0DGH | others - hour hand |
| 09T32DAH | others - hour hand |
| 09T26AGM | others - minute hand |
| 08T12AGH | others - hour hand |