The Seiko Y143-5B30 is a watch model based on the Y143 movement.
Parts List
| ESDW75LN01 | crystal - crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| 35M82NF1 | crown |
| FE308BA11 | case back gasket - case back gasket |
| 86585210 | crystal gasket - plastic gasket for crystal |
| 029MT | band - band |
| 030MT | band - band |
| 10C36KGM | others - minute hand |
| 10C32KGH | others - hour hand |
| 11SC41T1 | others - second hand |
| 11SC41T2 | others - second hand |
| 3AA125F1A6S | others - second hand |
| 3AA125F1ANG | others - second hand |
| 0354866 | others - winding stem |
| Y1435B3061A | others - case |
| 82806710 | others - case ring |
| Y1435B307SA | others - case |
| A180BS | others - push pin |
| 10C32KSH | others - hour hand |
| 0Z0060B01 | others - crown and stem gasket |
| 10C36KSM | others - minute hand |