The Seiko 6139-7002 is a watch model based on the 6139 movement.
Parts List
| 340W14GN | crystal - mineral crystal |
| XMD340.811 | crystal - (ersatz) |
| 40M16NS | crown - crown |
| FH2980B | case back gasket |
| DJ0060B | others - crown gasket |
Caliber 6139
Seiko 6139-7002 Watch Guide