The Seiko 5Y23-8100 is a watch model based on the 5Y23 movement.
Parts List
| 290W38LM | crystal |
| 35M82NA1 | crown - crown |
| 0A2600B | case back gasket |
The Seiko 5Y23-8100 is a watch model based on the 5Y23 movement.
| 290W38LM | crystal |
| 35M82NA1 | crown - crown |
| 0A2600B | case back gasket |