The Seiko Y143-5B40 is a watch model based on the Y143 movement.
Parts List
| ESDW69LN01 | crystal - crystal |
| 35M82NS1 | crown - crown |
| 35M82NG1 | crown |
| FE288BA11 | case back gasket - case back gasket |
| 86585150 | crystal gasket - plastic gasket for crystal |
| 86584650 | bezel gasket - plastic gasket for bezel |
| 031MT | band - band |
| 032MT | band - band |
| 11SC19T2 | others - second hand |
| 11SC19T1 | others - second hand |
| 11C68KSM | others - minute hand |
| 11C68KGM | others - minute hand |
| 11C68KSH | others - hour hand |
| 11C68KGH | others - hour hand |
| 3AA125F3A6S | others - second hand |
| 3AA125F3ANG | others - second hand |
| 0354866 | others - winding stem |
| Y1435B4061A | others - case |
| 82335579 | others - bezel |
| 82806590 | others - case ring |
| Y1435B407SA | others - case |
| 82335571 | others - bezel |
| A200BS | others - push pin |
| 0Z0060B01 | others - crown and stem gasket |