The Seiko 4N20-031A is a watch model based on the 4N20 movement.
Parts List
180A02SV0A | crystal - crystal |
30M57NS1 | crown - crown |
0H1700B01 | case back gasket - bezel gasket |
AC004BA11 | case back gasket - crown and stem gasket |
MK32E | band - leather band |
06Y01JSH | others - hour hand |
0351155 | others - winding stem |
82841070 | others - case ring |
4N20031A2E | others - case |
4N200460XG15 | others - dial |
4N2061 | others - machine code |
A100AS | others - push pin |
06Y01JSM | others - minute hand |