The Seiko 8523-5100 is a watch model based on the 8523 movement.
Parts List
| ES4W69LN00 | crystal |
| 35M39NA1 | crown |
| 35M39NS1 | crown |
| 0F180BAA3 | case back gasket |
| EB0055B01 | others - crown and stem gasket |
Caliber 8523
Seiko 8523-5100 Watch Guide
The Seiko 8523-5100 is a watch model based on the 8523 movement.
| ES4W69LN00 | crystal |
| 35M39NA1 | crown |
| 35M39NS1 | crown |
| 0F180BAA3 | case back gasket |
| EB0055B01 | others - crown and stem gasket |