The Seiko 1221-0120 is a watch model based on the 1221 movement.
Parts List
175N17HN00 | crystal - crystal (inorganic) |
30N63NA1 | crown - crown |
0G1700B01 | case back gasket |
DZ44A | band - metal band |
07P79DGH | hand - hour hand |
07P79DGM | hand - minute hand |
3BA075F1BNG | others - second hand |
07SC17NG | others - second hand |
81180229 | others - bracelet fixing pipe |
81604259 | others - bracelet fixing pin |
DZ0040B01 | others - crown and stem gasket |
0351117 | others - winding stem |
1221012025 | others - case |
12210920XG14 | others - dial |
122110 | others - machine code |
82706630 | others - case ring |
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)