The Seiko 1220-5140 is a watch model based on the 1220 movement.
Parts List
| ESWN05SN00 | crystal |
| 32N29DA5 | crown |
| 0F220NA11 | case back gasket - case back gasket |
| GB24A | band - metal band |
| DZ0040B01 | others - crown and stem gasket |
| 0351117 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 12200310XN14 | others - dial |
| 122010 | others - machine code |
| 12205140EAA | others - case |
| 82718670 | others - case ring |
| 08R33DGH | others - hour hand |
| 08R33DGM | others - minute hand |
Caliber 1220
