The Seiko 1221-5740 is a watch model based on the 1221 movement.
Parts List
RECN69SV01 | crystal - crystal (sapphire) |
30N63NA1 | crown - crown |
0F245NA11 | case back gasket - case back gasket |
AA34B | band - metal band |
09S39JGH | hand - hour hand |
09S39JGM | hand - minute hand |
81606439 | others - bracelet fixing pin |
81181919 | others - bracelet fixing pipe |
81607699 | others - bracelet fixing pin |
0351117 | others - winding stem |
DZ0040B01 | others - crown and stem gasket |
122110 | others - machine code |
12211040XG14 | others - dial |
12215740EA | others - case |
82722930 | others - case ring |
07SS09VG | others - second hand |
09SS01VG | 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)