The Seiko 2F50-5309 is a watch model based on the 2F50 movement.
Parts List
| REBN21SE | crystal |
| REBN21SE10 | crystal |
| 25M04NA1 | crown - crown |
| 22N23DA1 | crown |
| 25N11DNH1 | crown |
| OC250BA11 | case back gasket |
| BPA37G | band - leather band |
| BPJ27G | band - leather band |
| WPA18G | band - leather band |
| WPJ18G | band - leather band |
| 07M39JBH | hand - hour hand |
| 07M39JBM | hand - minute hand |
| 08M07D1H | hand - hour hand |
| 08M07D1M | hand - minute hand |
| 2F500350XG14 | others - dial |
| 2F500350XS14 | others - dial |
| 2F501110XS19 | others - dial |
| 2F50530925 | others - case |
| 2F505309EA | others - case |
| A180AS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
Caliber 2F50
