The Seiko 3Y09-0B90 is a watch model based on the 3Y09 movement.
Parts List
| 200W24JN01 | crystal |
| 200W24JN | crystal |
| 30MB6NA1 | crown |
| 0A1900B01 | case back gasket - gasket |
| EZ0035B0 | case back gasket |
| B5624G | band |
| B5624C-LKG | band - link |
| B5624G-LKG | band - link |
| B5624C | band |
| B5624G-PB1 | clasp - parts for buckle/clasp |
| B5624C-BK1S | clasp - clasp |
| B5624C-PB1 | clasp - parts for buckle/clasp |
| B5624G-BK1G | clasp - clasp |
| 08T08NAH | others - hour hand |
| 08T08NAM | others - minute hand |
| 0801778 | others - date dial |
| 0801812 | others - date dial |
| 3Y090B90 | others - case back |
| 3Y090B9075 | others - case |
| 3Y090B9098 | others - case |
| 3Y090E30XG14 | others - dial |
| 3Y090E30XS14 | others - dial |
| 3Y090E30XS24 | others - dial |
| 3Y090E40XS19 | others - dial |
| 3Y090E90XS19 | others - dial |
| 3Y099 | others - machine code |
| 82804120 | others - case ring |
| A100AS | others - push pin |
| 0351546 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 08TK8AGM | others - minute hand |
| 08TK8AGH | others - hour hand |