The Seiko 6139-6012 is a watch model based on the 6139 movement.
Parts List
| 330W18GN00 | crystal - crystal |
| FH2980B01 | case back gasket - case back gasket |
| DJ0060B | others - crown gasket |
| EC3260B | others |
Caliber 6139
Seiko 6139-6012 Watch Guide
The Seiko 6139-6012 is a watch model based on the 6139 movement.
| 330W18GN00 | crystal - crystal |
| FH2980B01 | case back gasket - case back gasket |
| DJ0060B | others - crown gasket |
| EC3260B | others |