The Seiko 7123-5240 is a watch model based on the 7123 movement.
Parts List
| ES8N93HN00 | crystal |
| 35NB3NS1 | crown |
| 35NB3NA1 | crown |
| 012920B01 | case back gasket |
| DH0070B01 | case back gasket - crown and stem gasket |
Caliber 7123
Seiko 7123-5240 Watch Guide
The Seiko 7123-5240 is a watch model based on the 7123 movement.
| ES8N93HN00 | crystal |
| 35NB3NS1 | crown |
| 35NB3NA1 | crown |
| 012920B01 | case back gasket |
| DH0070B01 | case back gasket - crown and stem gasket |