The Seiko 3421-0080 is a watch model based on the 3421 movement.
Parts List
280N10GN00 | crystal - mineral crystal |
35M82NA1 | crown - crown |
35M82NS1 | crown - crown |
0H2700N01 | case back gasket |
Caliber 3421







The Seiko 3421-0080 is a watch model based on the 3421 movement.
280N10GN00 | crystal - mineral crystal |
35M82NA1 | crown - crown |
35M82NS1 | crown - crown |
0H2700N01 | case back gasket |