The Seiko 4006-6031 is a watch model based on the 4006 movement.
Caliber 4006
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_4.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_5.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_6.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_7.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_8.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_9.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/4/4006A_caliber_en_10.jpg)
Other models with the same movement
4006-6000 |
4006-6010 |
4006-6011 |
4006-6020 |
4006-6021 |
4006-6029 |
4006-6030 |
4006-6040 |
4006-6050 |
4006-6060 |
4006-6070 |
4006-6080 |
4006-6089 |
4006-7002 |
4006-7010 |
4006-7011 |
4006-7012 |
4006-7020 |
4006-7021 |