The Seiko 2F50-5139 is a watch model based on the 2F50 movement.
Parts List
| ESJN11SE10 | crystal |
| ESJN11SE | crystal |
| 22N39DA1 | crown |
| 0C275BA11 | case back gasket |
| DZ0040B0 | case back gasket |
| ZPA11 | band - leather band |
| ZPA11G | band - leather band |
| ZPA16G | band - leather band |
| 09M07CGH | hand - hour hand |
| 09M07CGM | hand - minute hand |
| 09M13CGH | hand - hour hand |
| 09M13CGM | hand - minute hand |
| 09M15DGH | hand - hour hand |
| 09M01DHM | others - minute hand |
| 81606511 | others - bracelet fixing pin |
| 81181839 | others - bracelet fixing pipe |
| 81606219 | others - bracelet fixing pin |
| 0351357 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 2F500160XG14 | others - dial |
| 2F500160XG24 | others - dial |
| 2F500160XN14 | others - dial |
| 2F50513925 | others - case |
| 2F50513925A | others - case |
| 2F5051392H | others - case |
| 2F5071 | others - machine code |
| 82716350 | others - case ring |
Caliber 2F50
