The Seiko 1221-0110 is a watch model based on the 1221 movement.
Parts List
185N29GN00 | crystal - crystal (inorganic) |
30NB3NA1 | crown - crown |
0H1700B01 | case back gasket - bezel gasket |
86568030 | crystal gasket - plastic gasket for crystal |
ML37A | band - leather band |
3BA075F1BNG | others - second hand |
07SC17NG | others - second hand |
A130AS | others - push pin (for lb) |
1221011025 | others - case |
12210820XS14 | others - dial |
122110 | others - machine code |
DZ0040B01 | others - crown and stem gasket |
0351117 | others - winding stem |
82710570 | others - case ring |
08PB7AGM | others - minute hand |
08PB7AGH | others - hour 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)