The Seiko 7439-5090 is a watch model based on the 7439 movement.
Parts List
ESPN99JN00 | crystal |
30N97DA1 | crown |
DZ0065B01 | case back gasket - button gasket |
0H2450B01 | case back gasket |
Caliber 7439
![Caliber manual page](https://www.theseikoguy.com/media/movements/7/7439A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/7/7439A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/7/7439A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/7/7439A_caliber_en_4.jpg)
The Seiko 7439-5090 is a watch model based on the 7439 movement.
ESPN99JN00 | crystal |
30N97DA1 | crown |
DZ0065B01 | case back gasket - button gasket |
0H2450B01 | case back gasket |