The Seiko 5Y31-8A20 is a watch model based on the 5Y31 movement.
Parts List
290A03JN02 | crystal - crystal |
290A03JN | crystal |
290W91JN01 | crystal |
290W91JN | crystal |
35MJ5NN1 | crown - crown |
35MM5NN5 | crown |
35MM5NN6 | crown |
35MM5NN7 | crown |
0F240BAA3 | case back gasket - case back gasket |
0F240BAA | case back gasket |
BPK10G | band |
BPA90G | band - leather band |
BPK16G | band - leather band |
BPK17G | band - leather band |
BPS03G | band - leather band |
BPZ62G | band - leather band |
BPK12G | band |
BPK11G | band |
11T47AGH | others - hour hand |
3AA125F1ANG | others - second hand |
12SC39T1 | others - second hand |
3AA125F3ANG | others - second hand |
11T05NGH | others - hour hand |
11T05DGM | others - minute hand |
1BA080A1BAA | others - hour hand |
1BC080A1BNG | others - hour hand |
2BC110A1BDG | others - minute hand |
0D005BA13 | others - crown and stem gasket |
EB0055B01 | others - crown and stem gasket |
0351671 | others - winding stem |
5Y3161 | others - machine code |
5Y318A20 | others - case back |
5Y318A2075 | others - case |
5Y318B60XB14 | others - dial |
5Y318B60XS14 | others - dial |
5Y318B60XS24 | others - dial |
5Y318B70X919 | others - dial |
5Y318B70XS19 | others - dial |
5Y318B70XS29 | others - dial |
82833770 | others - case ring |
A180BS | others - push pin |
10T09DGH | others - hour hand |
3AA125F3AN2 | others - second hand |
12SC23TG | others - second hand |
10T09DGM | others - minute hand |
12SC23T1 | others - second hand |
2BC110A1BCA | others - minute hand |
11SC17T1 | others - second hand |
11T05CGM | others - minute hand |
2BA120A1BAA | others - minute hand |
12T15AGM | others - minute hand |
12T07A1M | others - minute hand |
12T15AGH | others - hour hand |
1BH080A1BAA | others - hour hand |
12T35DGM | others - minute hand |
2BH115A1BAA | others - minute hand |
12T07A1H | others - hour hand |
11T77AGM | others - minute hand |
12T35DGH | others - hour hand |
11T77AGH | others - hour hand |