The Seiko 5Y89-0A20 is a watch model based on the 5Y89 movement.
Parts List
| 260A16SR02 | crystal - crystal |
| 8M40A8SNW1 | crown - crown |
| 0F260NA1S | case back gasket - case back gasket |
| D0L6GZ | band - band |
| 1AG075L0BDG | others - hour hand |
| 2AG110L0BDG | others - minute hand |
| 3BC030FMBNG | others - sub hand |
| 3BC035F0BNG | others - sub hand |
| 3BA125F1BNG | others - second hand |
| 0354530 | others - winding stem |
| 82726520 | others - case ring |
| 5Y890A207L | others - case |
| 5Y890A20 | others - case back |
| 5Y890A10XS1Z | others - dial |
| 5Y891 | others - machine code |
| A160BS | others - push pin |
| AD006BA12 | others - crown gasket |
| 260A16SR02 | crystal - crystal |
| 8M40A8SNW1 | crown - crown |
| 0F260NA1S | case back gasket - case back gasket |
| D0L6GZ | band - band |
| 1AG075L0BDG | others - hour hand |
| 2AG110L0BDG | others - minute hand |
| 3BC030FMBNG | others - sub hand |
| 3BC035F0BNG | others - sub hand |
| 3BA125F1BNG | others - second hand |
| 0354530 | others - winding stem |
| 82726520 | others - case ring |
| 5Y890A207L | others - case |
| 5Y890A20 | others - case back |
| 5Y890A10XS1Z | others - dial |
| 5Y891 | others - machine code |
| A160BS | others - push pin |
| AD006BA12 | others - crown gasket |