The Seiko 7800-5139 is a watch model based on the 7800 movement.
Parts List
RE1N26SN00 | crystal |
35N11DE1 | crown |
35N13DE5 | crown |
Caliber 7800



The Seiko 7800-5139 is a watch model based on the 7800 movement.
RE1N26SN00 | crystal |
35N11DE1 | crown |
35N13DE5 | crown |