The Seiko 3Y09-0131 is a watch model based on the 3Y09 movement.
Parts List
| 200WC3HN01 | crystal |
| 200WC3HN | crystal |
| 30MG7NN1 | crown |
| FH2080B01 | case back gasket - case back gasket |
| DZ0040B0 | case back gasket |
| 86571830 | crystal gasket |
| 86170610 | bezel gasket - plastic gasket for bezel |
| BCJ08K | band |
| BCA05K | band - leather band |
| WCZ03K | band - leather band |
| WCJ09K | band |
| WCJ10K | band |
| T070BS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
| 0351546 | others - winding stem |
| 0801754 | others - date dial |
| 0801778 | others - date dial |
| 0801812 | others - date dial |
| 3Y090131 | others - case back |
| 3Y09013175 | others - case |
| 3Y09013198 | others - case |
| 3Y090221XG1Z | others - dial |
| 3Y090221XS1Z | others - dial |
| 3Y090231X914 | others - dial |
| 3Y090231X924 | others - dial |
| 3Y090231X934 | others - dial |
| 3Y099 | others - machine code |
| 82343911 | others - bezel |
| 82841810 | others - case ring |
| 08T55NGH | others - hour hand |
| 08T89NGM | others - minute hand |
| 08T55NGM | others - minute hand |
| 08T89NGH | others - hour hand |