The Seiko Y143-6021 is a watch model based on the Y143 movement.
Parts List
| 310WP8GM01 | crystal |
| 310WS4GM01 | crystal |
| 45M76NS1 | crown - crown |
| 45M56NS1 | crown |
| 0Z2702B08 | case back gasket |
| FH2981B01 | case back gasket - case back gasket |
| 86565100 | crystal gasket - plastic gasket for crystal |
| 86569680 | crystal gasket |
| 0A2701B08 | bezel gasket |
| 0A3000B08 | bezel gasket |
| AL92A | band - leather band |
| A180CS | others - push pin |
| 09CP2LSH | others - hour hand |
| 0354866 | others - winding stem |
| 09CP2LSM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 13SC06LG | others - second hand |
| 11C52KSM | others - minute hand |
| 11C52KKM | others - minute hand |
| 11C52KSH | others - hour hand |
| 13SC06LC | others - second hand |
| 11C52KKH | others - hour hand |