The Seiko 5Y89-5A20 is a watch model based on the 5Y89 movement.
Parts List
| SA1A74SR02 | crystal - crystal |
| 8M40B2SNW1 | crown - crown |
| 8M40B2SNG1 | crown - crown |
| 0F240BA1S | case back gasket - case back gasket |
| D174AZ-LK2 | band - link |
| D174HZ-LK4 | band - link |
| D174AZ | band - band |
| D174HZ | band - band |
| D174AZ-BKK | clasp - buckle |
| D174AZ-PB1 | clasp - parts for buckle |
| D174HZ-PB1 | clasp - parts for buckle/clasp |
| D174AZ-BK00 | clasp - clasp |
| D174HZ-BKM | clasp - clasp |
| 3BA125F1BNS | others - second hand |
| 3BA025FABNS | others - sub hand |
| 1AA045A7BNS | others - hour hand |
| 2AA095A5BNS | others - minute hand |
| 81180109 | others - bracelet fixing pipe |
| 82839840 | others - case ring |
| 5Y895A2061 | others - case |
| 81612229 | others - bracelet fixing pin |
| 5Y895A20 | others - case back |
| 5Y895A20WE | others - case |
| 5Y891 | others - machine code |
| 5Y895A10XB13 | others - dial |
| 5Y895A20XG13 | others - dial |
| 5Y895A20XZ13 | others - dial |
| 5Y895A30XA13 | others - dial |
| 5Y895A30XA23 | others - dial |
| 5Y895A30XA33 | others - dial |
| 0354530 | others - winding stem |
| AD006BA12 | others - crown gasket |
| SA1A74SR02 | crystal - crystal |
| 8M40B2SNW1 | crown - crown |
| 8M40B2SNG1 | crown - crown |
| 0F240BA1S | case back gasket - case back gasket |
| D174AZ-LK2 | band - link |
| D174HZ-LK4 | band - link |
| D174AZ | band - band |
| D174HZ | band - band |
| D174AZ-BKK | clasp - buckle |
| D174AZ-PB1 | clasp - parts for buckle |
| D174HZ-PB1 | clasp - parts for buckle/clasp |
| D174AZ-BK00 | clasp - clasp |
| D174HZ-BKM | clasp - clasp |
| 3BA125F1BNS | others - second hand |
| 3BA025FABNS | others - sub hand |
| 1AA045A7BNS | others - hour hand |
| 2AA095A5BNS | others - minute hand |
| 81180109 | others - bracelet fixing pipe |
| 82839840 | others - case ring |
| 5Y895A2061 | others - case |
| 81612229 | others - bracelet fixing pin |
| 5Y895A20 | others - case back |
| 5Y895A20WE | others - case |
| 5Y891 | others - machine code |
| 5Y895A10XB13 | others - dial |
| 5Y895A20XG13 | others - dial |
| 5Y895A20XZ13 | others - dial |
| 5Y895A30XA13 | others - dial |
| 5Y895A30XA23 | others - dial |
| 5Y895A30XA33 | others - dial |
| 0354530 | others - winding stem |
| AD006BA12 | others - crown gasket |