The Seiko 2F70-5850 is a watch model based on the 2F70 movement.
Parts List
| ESWN73SE10 | crystal - crystal (sapphire) |
| 22N13DE6 | crown |
| 0C255NA11 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 07M25DGH | others - hour hand |
| 07M25DGM | others - minute hand |
| QI035 | others - other band |