The Seiko 2F70-5100 is a watch model based on the 2F70 movement.
Parts List
| ESWN83SN00 | crystal |
| 25N03DE5 | crown - crown |
| 25N03DE5C | crown |
| 0C190NA11 | case back gasket - case back gasket |
| WI108 | others - other band |
| DZ0040B01 | others - crown and stem gasket |
| 06M33CGH | others - hour hand |