The Seiko 1220-5270 is a watch model based on the 1220 movement.
Parts List
REDN27HV01 | crystal - crystal |
40MS1NG1 | crown - crown |
0F215NA11 | case back gasket - case back gasket |
LK25C | band - band |
81609219 | band - other |
81832635 | band - other |
87000010 | band - other |
05R27DGH | others - hour hand |
05R27DGM | others - minute hand |
DZ0040B01 | others - crown and stem gasket |
0351117 | others - winding stem |
A140AS | others - push pin |
1220527025 | others - case |
81182679 | others - bracelet fixing pipe |
82731150 | others - case ring |
12200470XG19 | others - dial |
122010 | others - machine code |
REDN27HV01 | crystal - crystal |
40MS1NG1 | crown - crown |
0F215NA11 | case back gasket - case back gasket |
LK25C | band - band |
81609219 | band - other |
81832635 | band - other |
87000010 | band - other |
05R27DGH | others - hour hand |
05R27DGM | others - minute hand |
DZ0040B01 | others - crown and stem gasket |
0351117 | others - winding stem |
A140AS | others - push pin |
1220527025 | others - case |
81182679 | others - bracelet fixing pipe |
82731150 | others - case ring |
12200470XG19 | others - dial |
122010 | others - machine code |
Caliber 1220
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1220A_caliber_jp_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1220A_caliber_jp_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1220A_caliber_jp_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/1/1220A_caliber_jp_4.jpg)