The Seiko 1221-5760 is a watch model based on the 1221 movement.
Parts List
RECN31JE10 | crystal - crystal (inorganic) |
35NM9N01 | crown - crown |
35NM9NA1 | crown - crown |
0F240NA11 | case back gasket |
AA36B | band - metal band |
AA37B | band - metal band |
08P49DGH | hand - hour hand |
08P49DGM | hand - minute hand |
1AH055A1BNG | others - hour hand |
08SC01NG | others - second hand |
82721890 | others - case ring |
81606439 | others - bracelet fixing pin |
81180229 | others - bracelet fixing pipe |
DZ0040B01 | others - crown and stem gasket |
0351117 | others - winding stem |
122110 | others - machine code |
12211070XB14 | others - dial |
12211070XS14 | others - dial |
1221576011 | others - case |
122157601B | others - case |
3BA100F1BNG | others - second hand |
2AH080A1BNG | others - minute 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)