The Seiko 1221-5010 is a watch model based on the 1221 movement.
Parts List
ESDN73SN00 | crystal - crystal (sapphire) |
30N59DA6 | crown - crown |
0H1600B01 | case back gasket - case back gasket |
0H1700B01 | case back gasket - bezel gasket |
DK14B | band - leather band |
07P57DGH | hand - hour hand |
07P57DGM | hand - minute hand |
08SC35VG | hand - second hand |
12210050XG14 | others - dial |
122110 | others - machine code |
1221501025A | others - case |
1221501025B | others - case |
1221501025C | others - case |
1221501025D | others - case |
83131750 | others - case ring |
A110AS | others - push pin |
DZ0040B01 | others - crown and stem gasket |
0351117 | others - winding stem |
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)