The Seiko 1221-0180 is a watch model based on the 1221 movement.
Parts List
180A01SN01 | crystal - crystal |
180N75SN00 | crystal |
27M03DA5 | crown - crown |
0G1820B01 | case back gasket |
07S25DGH | others - hour hand |
07S25DGM | others - minute hand |
1221018025A | others - case |
12210180JBA | others - case |
122110 | others - machine code |
12211290XG14 | others - dial |
12211290XS14 | others - dial |
82813710 | others - case ring |
DZ0040B01 | others - crown and stem gasket |
0351117 | others - winding stem |
07SS09VG | others - second hand |
Caliber 1221
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1221A_caliber_jp_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1221A_caliber_jp_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1221A_caliber_jp_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1221A_caliber_jp_4.jpg)