The Seiko Y143-0A50 is a watch model based on the Y143 movement.
Parts List
| 285W83LN01 | crystal - crystal |
| 35MB9NN1 | crown - crown |
| 35MB9NS1 | crown - crown |
| FE298BA11 | case back gasket - case back gasket |
| 86574890 | crystal gasket - plastic gasket for crystal |
| 015MU | band - band |
| 016MU | band - band |
| 018MU | band - band |
| 3AA125F3A6S | others - second hand |
| 3AA125F3ANG | others - second hand |
| 12C49CSM | others - minute hand |
| 12C49CGM | others - minute hand |
| 12C49CSH | others - hour hand |
| 12C49CGH | others - hour hand |
| 12SC23T2 | others - second hand |
| 0E005BA11 | others - crown and stem gasket |
| 0354866 | others - winding stem |
| 82718910 | others - case ring |
| Y1430A5061A | others - case |
| Y1430A507SA | others - case |
| Y1430A507TA | others - case |
| A180BS | others - push pin |
| 12SC23T1 | others - second hand |