The Seiko 3423-502A is a watch model based on the 3423 movement.
Parts List
SA1W82GN00 | crystal |
30M22NS1 | crown - crown |
FH1980B01 | case back gasket - case back gasket |
Caliber 3423








The Seiko 3423-502A is a watch model based on the 3423 movement.
SA1W82GN00 | crystal |
30M22NS1 | crown - crown |
FH1980B01 | case back gasket - case back gasket |