The Seiko 8123-5090 is a watch model based on the 8123 movement.
Parts List
| SA5W42GN00 | crystal |
| 40M78N01 | crown |
| 0A2800N | case back gasket |
Caliber 8123
Seiko 8123-5090 Watch Guide
The Seiko 8123-5090 is a watch model based on the 8123 movement.
| SA5W42GN00 | crystal |
| 40M78N01 | crown |
| 0A2800N | case back gasket |