The Seiko Y143-0A30 is a watch model based on the Y143 movement.
Parts List
| 290W47LN00 | crystal - crystal |
| 35MB7N01 | crown - crown |
| 35MB7NS1 | crown - crown |
| FE298BA11 | case back gasket - case back gasket |
| 0F300BA91 | case back gasket - bezel gasket |
| 86570710 | crystal gasket - plastic gasket for crystal |
| 002MU | band |
| 001MU | band |
| 3AA125F3A6S | others - second hand |
| 3AA125F3ANG | others - second hand |
| 12C38ASH | others - hour hand |
| 12C38ASM | others - minute hand |
| 12SC23T2 | others - second hand |
| 82718910 | others - case ring |
| Y1430A3061A | others - case |
| Y1430A30SJA | others - case |
| A180BS | others - push pin |
| DH004BA11 | others - crown and stem gasket |
| 0354866 | others - winding stem |
| 12SC23T1 | others - second hand |
| 12C38AGM | others - minute hand |
| 12C38AGH | others - hour hand |