The Seiko 7813-5039 is a watch model based on the 7813 movement.
Parts List
| SA1N78GN00 | crystal |
| DA0070B01 | case back gasket - crown and stem gasket |
| 0H2800B01 | case back gasket - rotating bezel gasket |
Caliber 7813
Other models with the same movement
| 7813-5009 |
| 7813-5019 |
| 7813-5029 |
| 7813-5049 |
| 7813-5059 |
| 7813-6009 |
| 7813-6019 |
| 7813-6029 |
| 7813-6039 |
| 7813-6049 |
| 7813-7009 |
| 7813-8009 |
| 7813-8019 |
| 7813-8029 |
| 7813-8039 |