The Seiko Y621-8000 is a watch model based on the Y621 movement.
Parts List
| 200P02LN03 | crystal - crystal(case back) |
| 290A13LN03 | crystal - crystal |
| 45MA9NK1 | crown |
| 45MA9NN1 | crown |
| 0F240BAA3 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86172261 | crystal gasket - plastic gasket for crystal |
| 0F270BAA3 | bezel gasket - bezel gasket |
| FAE3BW | band - leather band |
| FAE4BW | band - leather band |
| FAE5AW | band - leather band |
| 3BA135F1BNG | others - second hand |
| 3BA135F1BNS | others - second hand |
| 0354022 | others - winding stem |
| 12BF9FGH | others - hour hand |
| A180BS | others - push pin |
| 12BF9FGM | others - minute hand |
| 12BF9FSH | others - hour hand |
| 12BF9FSM | others - minute hand |
| 1FE080LABFG | others - hour hand |
| 1FE080LABFS | others - hour hand |
| 2FE120LABFG | others - minute hand |
| 2FE120LABFS | others - minute hand |
Other models with the same movement