The Seiko 8420-7710 is a watch model based on the 8420 movement.
Parts List
ESKN10SN01 | crystal |
26M08EE1 | crown |
0C150BA12 | case back gasket |
86581100 | crystal gasket |
WI167 | others - other band |
Caliber 8420
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_4.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_5.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_6.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_7.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_8.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420A_caliber_en_9.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420B_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420B_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420B_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/8/8420B_caliber_en_4.jpg)
The Seiko 8420-7710 is a watch model based on the 8420 movement.
ESKN10SN01 | crystal |
26M08EE1 | crown |
0C150BA12 | case back gasket |
86581100 | crystal gasket |
WI167 | others - other band |