The Seiko Y621-6020 is a watch model based on the Y621 movement.
Parts List
| 280A15JN03 | crystal - crystal |
| 40ME7NN4 | crown - crown |
| 40ME7NW2 | crown - crown |
| 40ME7NT2 | crown - crown |
| 40ME7NY4 | crown |
| FE298BAA1 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 7AC6KZ | band - band |
| 7AC6SZ | band |
| 7AC3JZ | band - band |
| 7AC4JZ | band - leather band |
| 7AC6LZ | band |
| 7AC3QZ | band - leather band |
| 7AC6RZ | band - leather band |
| 11B02LSM | others - minute hand |
| 11B02LSH | others - hour hand |
| 3AA120FMAAE | others - second hand |
| 3AA120FMAAF | others - second hand |
| 3AA120FMANG | others - second hand |
| 11B02LGM | others - minute hand |
| 11B02LGH | others - hour hand |
| 0354022 | others - winding stem |
| 82703690 | others - case ring |
| Y621602079A | others - case |
| A200BS | others - push pin |
| Y62120 | others - machine code |
| Y621602079M | others - case |
| Y62160207HA | others - case |
| Y62160207HM | others - case |
| Y62160207SM | others - case |
| Y621603LXG14 | others - dial |
| Y621603LXG23 | others - dial |
| Y621603LXG33 | others - dial |
| Y62160207SA | others - case |
| 0878210 | others - date dial |
| 0884283 | others - holding ring for dial |
Other models with the same movement