The Seiko 5Y30-7020 is a watch model based on the 5Y30 movement.
Parts List
| 280N10GN00 | crystal - mineral crystal |
| 280N10GN | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B0 | case back gasket |
| 0H2520N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| Z1477G | band |
| Z1477G-LKG | band - link |
| Z1580K-LKG | band - link |
| Z1580K | band |
| Z1477G-BK4G | clasp - clasp |
| Z1580K-BK4G | clasp - clasp |
| 0351670 | others - winding stem |
| 82802420 | others - case ring |
| 5Y30702025 | others - case |
| 5Y30702025Z | others - case |
| 5Y307160X914 | others - dial |
| 5Y307160XG14 | others - dial |
| 5Y307368X919 | others - dial |
| 5Y307368XS19 | others - dial |
| 5Y309 | others - machine code |
| A150BS | others - push pin |
| 10T44DAM | others - minute hand |
| 12T48AGM | others - minute hand |
| 10T44DAH | others - hour hand |
| 12T48AGH | others - hour hand |