The Seiko 5Y30-5180 is a watch model based on the 5Y30 movement.
Parts List
| RECN22JN01 | crystal - crystal |
| RECN22JN | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2702N01 | case back gasket - case back gasket |
| 0G0055B0 | case back gasket |
| Z1474G-LKG | band - link |
| Z1474G | band |
| Z1474G-BK4G | clasp - clasp |
| 0351670 | others - winding stem |
| 5Y305180 | others - case back |
| 5Y30518025 | others - case |
| 5Y305440XS14 | others - dial |
| 5Y309 | others - machine code |
| 82811780 | others - case ring |
| A190BS | others - push pin |
| 09T36AGM | others - minute hand |
| 10T32ALH | others - hour hand |