The Seiko 1E20-0B50 is a watch model based on the 1E20 movement.
Parts List
100A01SN02 | crystal - crystal |
100N11SN01 | crystal - crystal |
25N09DE1 | crown |
0D100NA11 | case back gasket - case back gasket |
04L05DGH | others - hour hand |
82722960 | others - case ring |
1E200B5043 | others - case |
1E200E40XA1Z | others - dial |
DZ0040B01 | others - crown and stem gasket |
0354930 | others - winding stem |
04V13DGM | others - minute hand |
Caliber 1E20
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1E20A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1E20A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1E20A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1E20A_caliber_en_4.jpg)