The Seiko 7123-5109 is a watch model based on the 7123 movement.
Parts List
| SA9N85KN00 | crystal |
| 35NB3NS1 | crown |
| 35NB3NA1 | crown |
| DH0070B01 | case back gasket - crown and stem gasket |
Caliber 7123
Seiko 7123-5109 Watch Guide
The Seiko 7123-5109 is a watch model based on the 7123 movement.
| SA9N85KN00 | crystal |
| 35NB3NS1 | crown |
| 35NB3NA1 | crown |
| DH0070B01 | case back gasket - crown and stem gasket |