The Seiko 1231-5009 is a watch model based on the 1231 movement.
Parts List
ES6W85SN00 | crystal |
25M15DA1 | crown - crown |
0Z0034B01 | case back gasket - crown and stem gasket |
0F180BAA3 | case back gasket |
Caliber 1231
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1231A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1231A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1231A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1231A_caliber_en_4.jpg)
Other models with the same movement
1231-0018 |
1231-0019 |
1231-0029 |
1231-0039 |
1231-0049 |
1231-5019 |
1231-5029 |
1231-5039 |
1231-5049 |