The Seiko 3Y09-0A80 is a watch model based on the 3Y09 movement.
Parts List
| 180W40JN01 | crystal |
| 180W40JN | crystal |
| 30MB6NS1 | crown |
| 30MB6NA1 | crown |
| 0A1800B01 | case back gasket |
| EZ0035B0 | case back gasket |
| 81604649 | band - bracelet fixing pin |
| S5001C | band |
| S5001C-LKG | band - link |
| S5001G-LKG | band - link |
| S5001S-LKS | band - link |
| S5001G | band |
| S5001S | band |
| S5001S-BK4S | clasp - clasp |
| S5001G-BK4G | clasp - clasp |
| S5001C-BK4S | clasp - clasp |
| 07TA4FGM | others - minute hand |
| 08T04NGH | others - hour hand |
| 07T08NGM | others - minute hand |
| 81180229 | others - bracelet fixing pipe |
| 0801778 | others - date dial |
| 0801812 | others - date dial |
| 3Y090A80 | others - case back |
| 3Y090A8075 | others - case |
| 3Y090A8079 | others - case |
| 3Y090A807L | others - case |
| 3Y090B70XS14 | others - dial |
| 3Y090B90XG14 | others - dial |
| 3Y090B90XS14 | others - dial |
| 3Y090C00XS13 | others - dial |
| 3Y099 | others - machine code |
| 82813380 | others - case ring |
| 0351546 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 08T24AGH | others - hour hand |
| 07T08ASM | others - minute hand |
| 08T04ASH | others - hour hand |